This event is in the "Adult" group Penrose Perk Friday, April 10, 2026 at 11:00am - 1:00pm Penrose Library Event Type: Social Connections Age Group: Adult Enjoy a beverage and learn about Library resources. View Details This event is in the "Adult" group Apr 10 2026 Fri Penrose Perk 11:00am–1:00pm Library Branch: Penrose Library Age Group: Adult Event Type: Social Connections Event Details: Enjoy a beverage and learn about Library resources.
This event is in the "Adult" group Device Drop-In Help Friday, April 10, 2026 at 1:00pm - 2:00pm Ruth Holley Adult Education Office at Ruth Holley Library Event Type: Computers & Tech Age Group: Adult Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hours any time between 1:00-2:00pm, and our staff can assist you. No registration is required. View Details This event is in the "Adult" group Apr 10 2026 Fri Device Drop-In Help 1:00pm–2:00pm Library Branch: Ruth Holley Library Room: Ruth Holley Adult Education Office Age Group: Adult Event Type: Computers & Tech Event Details: Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hours any time between 1:00-2:00pm, and our staff can assist you. No registration is required.
This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group HTV Iron-Ons Designs with the Silhouette Friday, April 10, 2026 at 2:00pm - 5:00pm Sand Creek Makerspace at Sand Creek Library Event Type: Crafting, Making, & Recording Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Learn how to use the Silhouette Studio software to create easy heat transfer designs. You will learn how to make your own tote bag! View Details Registration Required This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Apr 10 2026 Fri HTV Iron-Ons Designs with the Silhouette 2:00pm–5:00pm Library Branch: Sand Creek Library Room: Sand Creek Makerspace Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Event Type: Crafting, Making, & Recording Registration Required Event Details: Learn how to use the Silhouette Studio software to create easy heat transfer designs. You will learn how to make your own tote bag! Disclaimer(s) Creative space agreement: Patrons under 18 will need a signed Creative Space Use Agreement for Minors (en español) to use the makerspaces. You are encouraged to submit this at the class so that we have it on file. You must be at least 9 years of age to be in the makerspaces or to attend this class. Children under 13 must be accompanied by a parent or guardian. Software notice: This program uses third party software. PPLD is not affiliated with the company that owns it and is not responsible for its content.
This event is in the "Adult" group Device Drop-in Help Friday, April 10, 2026 at 3:00pm - 4:00pm Manitou Springs Meeting Room at Manitou Springs Library Event Type: Computers & Tech Age Group: Adult Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hour any time between 3 and 4 p.m. and our staff can assist you. No registration is required. View Details This event is in the "Adult" group Apr 10 2026 Fri Device Drop-in Help 3:00pm–4:00pm Library Branch: Manitou Springs Library Room: Manitou Springs Meeting Room Age Group: Adult Event Type: Computers & Tech Event Details: Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hour any time between 3 and 4 p.m. and our staff can assist you. No registration is required.
This event is in the "All" group LEGO Build Friday, April 10, 2026 at 3:30pm - 4:30pm Ute Pass Community Room at Ute Pass Library Event Type: Science & Math Age Group: All Engineering your best LEGO creation and completing LEGO challenges are only some of the possibilities at this open-ended LEGO program using the Library’s LEGO resources. Join us for creative fun! All ages welcome. View Details This event is in the "All" group Apr 10 2026 Fri LEGO Build 3:30pm–4:30pm Library Branch: Ute Pass Library Room: Ute Pass Community Room Age Group: All Event Type: Science & Math Event Details: Engineering your best LEGO creation and completing LEGO challenges are only some of the possibilities at this open-ended LEGO program using the Library’s LEGO resources. Join us for creative fun! All ages welcome. Disclaimer(s) Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Beginner Guitar & Ukulele Club Friday, April 10, 2026 at 4:00pm - 5:30pm Sand Creek Studio916 at Sand Creek Library Event Type: Performances & Presentations, Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Interested in learning basic chords and playing techniques? Come play and learn at Studio916, Sand Creek Library's free recording studio. No experience necessary, ages 9 and up. Registration required. View Details Registration Required This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Apr 10 2026 Fri Beginner Guitar & Ukulele Club 4:00pm–5:30pm Library Branch: Sand Creek Library Room: Sand Creek Studio916 Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Event Type: Performances & Presentations, Registration Required Event Details: Interested in learning basic chords and playing techniques? Come play and learn at Studio916, Sand Creek Library's free recording studio. No experience necessary, ages 9 and up. Registration required.
This event is in the "All" group Jigsaw Puzzle Swap All Day Old Colorado City Library Event Type: Games & Movies Age Group: All Give a Puzzle, get a new-to-you puzzle in exchange at the Jigsaw Puzzle Swap. We will only accept gently used puzzles. View Details This event is in the "All" group Apr 11 2026 Sat Jigsaw Puzzle Swap All Day Library Branch: Old Colorado City Library Age Group: All Event Type: Games & Movies Event Details: Give a Puzzle, get a new-to-you puzzle in exchange at the Jigsaw Puzzle Swap. We will only accept gently used puzzles.
This event is in the "All" group Jigsaw Puzzle Swap Saturday, April 11, 2026 at 9:00am - 12:00pm Cheyenne Marlene Rook Memorial Community Room at Cheyenne Mountain Library Event Type: , , , , , Age Group: All Give a Puzzle, get a new-to-you puzzle in exchange at the Jigsaw Puzzle Swap. We will only accept gently used puzzles. View Details This event is in the "All" group Apr 11 2026 Sat Jigsaw Puzzle Swap 9:00am–12:00pm Library Branch: Cheyenne Mountain Library Room: Cheyenne Marlene Rook Memorial Community Room Age Group: All Event Type: , , , , , Event Details: Give a Puzzle, get a new-to-you puzzle in exchange at the Jigsaw Puzzle Swap. We will only accept gently used puzzles.
This event is in the "Tween 9-12" group 3D Printing for Tweens Saturday, April 11, 2026 at 10:00am - 1:00pm East Make at East Library Event Type: , , Science & Math, Age Group: Tween 9-12 Start your 3D printing and designing journey with PPLD! We will find free printable objects online as well as learn the basics of creating projects using Tinkercad, a free, online 3D design software. No previous experience required. View Details Registration Required This event is in the "Tween 9-12" group Apr 11 2026 Sat 3D Printing for Tweens 10:00am–1:00pm Library Branch: East Library Room: East Make Age Group: Tween 9-12 Event Type: , , Science & Math, Registration Required Event Details: Start your 3D printing and designing journey with PPLD! We will find free printable objects online as well as learn the basics of creating projects using Tinkercad, a free, online 3D design software. No previous experience required. Disclaimer(s) Creative space agreement: Patrons under 18 will need a signed Creative Space Use Agreement for Minors (en español) to use the makerspaces. You are encouraged to submit this at the class so that we have it on file. You must be at least 9 years of age to be in the makerspaces or to attend this class. Children under 13 must be accompanied by a parent or guardian. Creative space badges: Your completed badges will be added to your library card. If you don’t have a library card, you can sign up online or in person at any Library location. Join us and start making today! Software notice: This program uses third party software. PPLD is not affiliated with the company that owns it and is not responsible for its content.
This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Inkscape Design Level 1 & Laser Badging Saturday, April 11, 2026 at 10:00am - 1:00pm Library 21c: Make II (Messy Maker Space) at Library 21c Event Type: , , Science & Math Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Take the first steps into designing graphics and laser cutting. Using Inkscape, a free vector graphics software, we will create custom project designs to engrave and cut on 1/8-inch wood pieces. View Details Registration Required This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Apr 11 2026 Sat Inkscape Design Level 1 & Laser Badging 10:00am–1:00pm Library Branch: Library 21c Room: Library 21c: Make II (Messy Maker Space) Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Event Type: , , Science & Math Registration Required Event Details: Take the first steps into designing graphics and laser cutting. Using Inkscape, a free vector graphics software, we will create custom project designs to engrave and cut on 1/8-inch wood pieces. Disclaimer(s) Creative space agreement: Patrons under 18 will need a signed Creative Space Use Agreement for Minors (en español) to use the makerspaces. You are encouraged to submit this at the class so that we have it on file. You must be at least 9 years of age to be in the makerspaces or to attend this class. Children under 13 must be accompanied by a parent or guardian. Creative space badges: Your completed badges will be added to your library card. If you don’t have a library card, you can sign up online or in person at any Library location. Join us and start making today! Software notice: This program uses third party software. PPLD is not affiliated with the company that owns it and is not responsible for its content.
This event is in the "Kids 0-5" group Toddler Time Saturday, April 11, 2026 at 10:30am - 11:00am Sand Creek Meeting Room A/B at Sand Creek Library Event Type: Storytimes & Early Literacy, Age Group: Kids 0-5 Songs, rhymes, stories, and fun for toddlers ages 1-2, and their parents or caregivers. Space is limited. View Details This event is in the "Kids 0-5" group Apr 11 2026 Sat Toddler Time 10:30am–11:00am Library Branch: Sand Creek Library Room: Sand Creek Meeting Room A/B Age Group: Kids 0-5 Event Type: Storytimes & Early Literacy, Event Details: Songs, rhymes, stories, and fun for toddlers ages 1-2, and their parents or caregivers. Space is limited. Disclaimer(s) Large groups: If you have a group of 10 or more who wish to participate, please call the Library you plan to attend before your visit or program participation to confirm space. Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces. Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "Kids 6-12" group This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group This event is in the "Family" group LEGO Build Saturday, April 11, 2026 at 10:30am - 11:30am Library 21c: Children's Room at Library 21c Event Type: , , , , , , Age Group: Kids 6-12, Tween 9-12, Teen 13-18, 16-24, Adult, Senior, Family Engineering your best LEGO creation, completing LEGO challenges, and producing LEGO Art are only some of the possibilities at this open-ended LEGO program using PPLD’s LEGO resources. Join us for the fun! All ages are welcome. View Details This event is in the "Kids 6-12" group This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group This event is in the "Family" group Apr 11 2026 Sat LEGO Build 10:30am–11:30am Library Branch: Library 21c Room: Library 21c: Children's Room Age Group: Kids 6-12, Tween 9-12, Teen 13-18, 16-24, Adult, Senior, Family Event Type: , , , , , , Event Details: Engineering your best LEGO creation, completing LEGO challenges, and producing LEGO Art are only some of the possibilities at this open-ended LEGO program using PPLD’s LEGO resources. Join us for the fun! All ages are welcome. Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces. Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "Kids 0-5" group This event is in the "Kids 6-12" group This event is in the "Family" group Paws to Read Saturday, April 11, 2026 at 10:30am - 11:30am Old Colorado City Library Event Type: Storytimes & Early Literacy Age Group: Kids 0-5, Kids 6-12, Family Practice reading aloud and improve fluency by sharing a story with one of our lovable Paws to Read therapy dogs. View Details This event is in the "Kids 0-5" group This event is in the "Kids 6-12" group This event is in the "Family" group Apr 11 2026 Sat Paws to Read 10:30am–11:30am Library Branch: Old Colorado City Library Age Group: Kids 0-5, Kids 6-12, Family Event Type: Storytimes & Early Literacy Event Details: Practice reading aloud and improve fluency by sharing a story with one of our lovable Paws to Read therapy dogs.
This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Drop-In Watercolor Saturday, April 11, 2026 at 11:00am - 1:00pm Old Colorado City Meeting Room at Old Colorado City Library Event Type: Crafting, Making, & Recording Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Come to Old Colorado City Library and experiment with watercolors at this fun and informal drop-in session! View Details This event is in the "Tween 9-12" group This event is in the "Teen 13-18" group This event is in the "16-24" group This event is in the "Adult" group This event is in the "Senior" group Apr 11 2026 Sat Drop-In Watercolor 11:00am–1:00pm Library Branch: Old Colorado City Library Room: Old Colorado City Meeting Room Age Group: Tween 9-12, Teen 13-18, 16-24, Adult, Senior Event Type: Crafting, Making, & Recording Event Details: Come to Old Colorado City Library and experiment with watercolors at this fun and informal drop-in session! Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces. Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "All" group Seed Saturdays! Saturday, April 11, 2026 at 11:00am - 1:00pm Manitou Springs Meeting Room at Manitou Springs Library Event Type: Age Group: All Stop by the seed library, inside Manitou Springs Library for free wildflower seeds and resources about native species & pollinators. View Details This event is in the "All" group Apr 11 2026 Sat Seed Saturdays! 11:00am–1:00pm Library Branch: Manitou Springs Library Room: Manitou Springs Meeting Room Age Group: All Event Type: Event Details: Stop by the seed library, inside Manitou Springs Library for free wildflower seeds and resources about native species & pollinators.
This event is in the "Teen 13-18" group Colorado Mosaics Saturday, April 11, 2026 at 2:00pm - 3:30pm Ruth Holley Meeting Room at Ruth Holley Library Event Type: Crafting, Making, & Recording Age Group: Teen 13-18 As we celebrate the 150th anniversary of the State of Colorado, join us in learning the art of mosaics by transforming Colorado icons into stunning artworks! Ages 13 – 18. Registration required. View Details Registration Required This event is in the "Teen 13-18" group Apr 11 2026 Sat Colorado Mosaics 2:00pm–3:30pm Library Branch: Ruth Holley Library Room: Ruth Holley Meeting Room Age Group: Teen 13-18 Event Type: Crafting, Making, & Recording Registration Required Event Details: As we celebrate the 150th anniversary of the State of Colorado, join us in learning the art of mosaics by transforming Colorado icons into stunning artworks! Ages 13 – 18. Registration required. Disclaimer(s) One slot per month: Due to the popularity of this program, please limit your registration to one slot per month. One slot per participant: Please register for only one session so that others can attend the program. If you are unable to attend, please cancel your registration so that others can participate.
This event is in the "Teen 13-18" group Colorado Mosaics Saturday, April 11, 2026 at 3:00pm - 4:00pm Ute Pass Community Room at Ute Pass Library Event Type: Crafting, Making, & Recording, Age Group: Teen 13-18 As we celebrate the 150th anniversary of the State of Colorado, join us in learning the art of mosaics by transforming Colorado icons into stunning artworks! Ages 13 – 18. Registration required. View Details Registration Required This event is in the "Teen 13-18" group Apr 11 2026 Sat Colorado Mosaics 3:00pm–4:00pm Library Branch: Ute Pass Library Room: Ute Pass Community Room Age Group: Teen 13-18 Event Type: Crafting, Making, & Recording, Registration Required Event Details: As we celebrate the 150th anniversary of the State of Colorado, join us in learning the art of mosaics by transforming Colorado icons into stunning artworks! Ages 13 – 18. Registration required. Disclaimer(s) One slot per participant: Please register for only one session so that others can attend the program. If you are unable to attend, please cancel your registration so that others can participate.
This event is in the "Kids 0-5" group Baby Time Monday, April 13, 2026 at 9:30am - 10:15am Library 21c: Children's Room at Library 21c Event Type: Storytimes & Early Literacy, Age Group: Kids 0-5 Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. View Details This event is in the "Kids 0-5" group Apr 13 2026 Mon Baby Time 9:30am–10:15am Library Branch: Library 21c Room: Library 21c: Children's Room Age Group: Kids 0-5 Event Type: Storytimes & Early Literacy, Event Details: Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces. Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "Kids 0-5" group This event is in the "Family" group Baby Time Monday, April 13, 2026 at 10:00am - 10:45am East Children's Story Room at East Library Event Type: , , Age Group: Kids 0-5, Family Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. Space is limited. View Details This event is in the "Kids 0-5" group This event is in the "Family" group Apr 13 2026 Mon Baby Time 10:00am–10:45am Library Branch: East Library Room: East Children's Story Room Age Group: Kids 0-5, Family Event Type: , , Event Details: Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. Space is limited. Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces.
This event is in the "Adult" group This event is in the "Senior" group Device Drop-In Help Monday, April 13, 2026 at 10:00am - 11:30am Library 21c: B6 at Library 21c Event Type: , Computers & Tech, Age Group: Adult, Senior Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In any time during our posted service hours, and our staff can assist you. No registration is required. View Details This event is in the "Adult" group This event is in the "Senior" group Apr 13 2026 Mon Device Drop-In Help 10:00am–11:30am Library Branch: Library 21c Room: Library 21c: B6 Age Group: Adult, Senior Event Type: , Computers & Tech, Event Details: Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In any time during our posted service hours, and our staff can assist you. No registration is required.
This event is in the "Kids 0-5" group Baby Time Monday, April 13, 2026 at 10:30am - 11:15am Library 21c: Children's Room at Library 21c Event Type: Storytimes & Early Literacy, Age Group: Kids 0-5 Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. View Details This event is in the "Kids 0-5" group Apr 13 2026 Mon Baby Time 10:30am–11:15am Library Branch: Library 21c Room: Library 21c: Children's Room Age Group: Kids 0-5 Event Type: Storytimes & Early Literacy, Event Details: Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session.
This event is in the "All" group Lego Build Monday, April 13, 2026 at 10:30am - 11:30am Calhan Meeting Room at Calhan Library Event Type: Science & Math Age Group: All Engineering your best LEGO creation and completing LEGO challenges are only some of the possibilities at this open-ended LEGO program using the Library’s LEGO resources. Join us for creative fun! Al View Details This event is in the "All" group Apr 13 2026 Mon Lego Build 10:30am–11:30am Library Branch: Calhan Library Room: Calhan Meeting Room Age Group: All Event Type: Science & Math Event Details: Engineering your best LEGO creation and completing LEGO challenges are only some of the possibilities at this open-ended LEGO program using the Library’s LEGO resources. Join us for creative fun! Al Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces. Sensory accommodations: The Service Desk can provide sensory accommodation items such as fidget toys or noise-reducing headphones for you or your child to use while in the Library. If these will benefit your Library experience, please ask about our Sensory Accommodations Kit!
This event is in the "Adult" group This event is in the "Senior" group Device Drop-In Help Monday, April 13, 2026 at 11:00am - 12:00pm Sand Creek Conference Room at Sand Creek Library Event Type: , Computers & Tech, Age Group: Adult, Senior Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hours any time between 11am and 12pm, and our staff can assist you. No registration is required. View Details This event is in the "Adult" group This event is in the "Senior" group Apr 13 2026 Mon Device Drop-In Help 11:00am–12:00pm Library Branch: Sand Creek Library Room: Sand Creek Conference Room Age Group: Adult, Senior Event Type: , Computers & Tech, Event Details: Need help with your laptop, smartphone, tablet, or the Library’s new online catalog? Stop by our Device Drop-In Hours any time between 11am and 12pm, and our staff can assist you. No registration is required.
This event is in the "Kids 0-5" group This event is in the "Family" group Baby Time Monday, April 13, 2026 at 11:15am - 12:00pm East Children's Story Room at East Library Event Type: , , Age Group: Kids 0-5, Family Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. Space is limited. View Details This event is in the "Kids 0-5" group This event is in the "Family" group Apr 13 2026 Mon Baby Time 11:15am–12:00pm Library Branch: East Library Room: East Children's Story Room Age Group: Kids 0-5, Family Event Type: , , Event Details: Songs, rhymes, and stories for babies ages 0-12 months, and their parents or caregivers. Play and social time follow each interactive session. Space is limited. Disclaimer(s) Room capacity: Due to the popularity of this program and to meet fire code requirements for meeting rooms, please arrive early to get a spot. If we are unable to accommodate you for the program, we welcome you to have fun playing in our play spaces.