Free hands-on STEM, every month

STEM in a Bag

Each month, we build a new activity kit and stock it at free pickup kiosks across Tulsa. Grab a bag and explore science, technology, engineering, and math together.

always free

new kit every month

5 pickup kiosks

English & Spanish

how it works

A new kit, built every month

STEM in a Bag puts a complete hands-on activity in the hands of Tulsa families, classrooms, and community groups, free of charge.

Step 1

We build it

Each month, TRSA staff and volunteers design and pack a new kit with everything needed for one activity.

Step 2

You pick it up

Kits are stocked at five kiosks in parks, libraries, and community centers. First come, first served.

Step 3

Explore anywhere

Follow the printed steps in the bag or the activity page online. Every activity stays online after its month ends.

This month's kit

Available now

Rotor Quest

Build a rubber band-powered helicopter, wind it up, and watch it take off, then test new designs to see what makes it fly higher.

Build schedule · Upcoming kits

Kit schedule

Here’s our kit lineup for the year. A new kit arrives at the kiosks each month, while supplies last, but you don’t have to wait for yours. As each activity goes live on our website, you can try it at home with supplies you may already have.

2026

November · available now

Rotor Quest

December · Coming soon

Cryptography

2027

January · Coming soon

Flying High with Bernoulli’s Principle

February · Coming soon

Recycled Bird Feeder

March · Coming soon

Celebrate Pi Day!

April · Coming soon

Let’s Go Fly a Kite

May · Coming soon

Build a Bionic Hand

June · Coming soon

Build a Marble Run

July · Coming soon

Solar Print Science

August · Available now

Rotor Quest

September · Coming soon

Build a Bridge Challenge

October · Coming soon

Alka-Seltzer Rockets

November · Coming soon

Tallest Tower Challenge

December · Coming soon

Factor Bingo

Pickup locations

Where to find a kit

  • O'Brien Park6149 N. Lewis Ave., Tulsa, OK 74130
  • Chandler Park6500 W. 21st St., Tulsa, OK 74107
  • Martin Regional Library2601 S. Garnett Rd., Tulsa, OK 74129
  • LaFortune Park5501 S. Yale Ave., Tulsa, OK 74135
  • South County Recreation Center13800 S. Peoria Ave., Bixby, OK 74008

Kiosk empty? Kits go quickly at the start of the month. Every activity is online with a printable PDF and a list of materials you can find at home.

Activity library

All kits

Every activity stays here after its month ends, with step-by-step instructions and printable PDFs in English and Spanish.

Lunar Lander

Use the engineering design process to build a lander that keeps two astronauts safe and upright when it touches down on the Moon.

Rotor Quest

Build a rubber band-powered helicopter, wind it up, and watch it take off, then test new designs to see what makes it fly higher.

A new activity is added every month. See the kit schedule for what’s next.

Class sets · Tulsa County

For educators

Bring STEM in a Bag to your classroom. Every kit aligns with Oklahoma Academic Standards, listed on each activity page.

Need kits for your classroom? Tulsa County educators can request class sets. After you submit the form, our distribution partner, Assistance League® Tulsa, will contact you to arrange your order and pickup.

Get involved

Help us build the next kit

Families and educators

Share your feedback

Tried a kit? Tell us how it went. Your answers shape the kits we build next.

Take the survey
Individuals and groups

Volunteer

Help pack kits each month. Families, groups, and workplace teams are welcome.

Volunteer with us

2026–27 STEM in a Bag Supporters

Passionate about investing in students?

Sponsor or donate to STEM in a Bag and put a free kit in the hands of a Tulsa family every month.