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← Heather Gardens Community Holds Flea Market & Book Sale July 10 & 11

Arapahoe Libraries Invites Teens & Tweens To Main Character Energy Festival Inspired By Their Favorite Books & Movies

POSTED BY
Laura
This post is paid for by one of our valued community partners. Their support helps us keep bringing you news about deals and events in the Denver/Boulder area. Read full disclosure here.

Teens and tweens can step into the spotlight at Main Character Energy, a new series of festivals put together by Arapahoe Libraries. The FREE festivals were inspired by teen library patrons, who said they wanted the chance to feel like the heroes of their favorite books and movies. At Main Character Energy, attendees can explore a variety of art stations, games and treats and step into their own “main character moment.”

Main Character Energy was intentionally designed to celebrate a wide variety of genres, characters and interests. The events feature activities pulled from Project Hail Mary, Spider-Man, Wednesday and other fan-favorite worlds.

Participants (ages 9 to 18) can connect with friends, explore at their own pace and immerse themselves in the worlds and activities that interest them most.

Those who come in costume can enter a costume contest toward the end of the event for a chance to win prizes.

There are two Main Character Energy events:

Friday, July 10 from 6 p.m. to 8 p.m. at Koelbel Library (5955 S. Holly St., Centennial)

Friday, July 24 from 6 p.m to 8 p.m. at Smoky Hill Library (5430 S. Biscay Cir., Centennial)

This is after library hours so the kids will have the place all to themselves — how cool is that!

Each Main Character Energy features:

Art and activity stations

Inflatable games to test aim and speed

Special-effects makeup artists

Free treat truck

Live DJ

And more!

The fine print:

This event is free and open to everyone ages 9 to 18. Age limits will be enforced. Parents and caregivers may attend.

The event will be held indoors and outdoors at the library after hours. Weather could cause delays or cancellation.

Space is limited. You must RSVP.

RSVP for either date here.

Looking for more summer fun?

Arapahoe Libraries’ Summer Reading program offers free books and events to encourage learning, connection and reading for fun. It is open to everyone ages 0–18 through July 31.

Young patrons can stop in any Arapahoe library to choose one free book to keep. (While supplies last. No sign-up or library card required.) Find events and learn more at arapahoelibraries.org/summer-reading or call 303-LIBRARY (303-542-7279).

Main Character Energy Festival For Teens & Tweens
When
July 10, 2026 @ 6:00 pm-8:00 pm
What
Main Character Energy Festival For Teens & Tweens
Where
Koelbel Library
5955 S. Holly St.
Centennial,CO
Cost
FREE
Add to Calendar: Google Outlook/iCal
When
July 24, 2026 @ 6:00 pm-8:00 pm
What
Main Character Energy Festival For Teens & Tweens
Where
Smoky Hill Library
5430 S. Biscay Circle
Centennial,CO80015
Cost
FREE
Add to Calendar: Google Outlook/iCal

Smoky Hill Library

5430 S. Biscay Circle
Centennial, CO 80015
303-542-7279

Get Directions

Koelbel Library

5955 S. Holly St.
Centennial, CO

Get Directions

Posted by Laura on July 5, 2026 | Updated July 2, 2026 Filed Under: Featured · Things To Do

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