Pizza and Pajamas

Step into an exclusive evening event designed just for you and your smallest scientists! COSI’s Pizza and Pajamas invites you and your little learner to “learn through play” in highlighted COSI exhibitions with children their own age. Plus, you’ll get hands-on with can’t-miss experiences developed just for scientists ages 2 through 5. And it wouldn’t be a “Pizza and Pajamas” party without pizza for dinner and a dance party to end the night! Laugh, learn, and play together in your pajamas!

2 - 5 years old

$26 for Members
$32 for Non-Members

Schedule: Doors open at 5:30pm
Pizza served from 5:30 – 6:30pm
Open exploration 5:30 – 8:00pm
Dance Party 7:45 – 8:00pm

Selected COSI program reservations are subject to a nominal processing fee. Proceeds from this fee help to support COSI, a not-for-profit organization. For selected programs, transaction fees may be waived for COSI Members as a benefit of membership.

Registration: for questions about registration call COSI’s Call Center at 614-228-2674 ex. 0 (Monday – Saturday, 9am-4pm) or click one of the blue buttons below.


Explore the new traveling Hot Wheels: Race to Win exhibit with your little scientist. Build tracks, racecars, and learn what it’s like to be a part of pit crew. Discover more about racecars as you travel through the exhibit and engage in activities in our main Atrium.

Nov 2, 2018

  • COSI Admission: Not Included


Dive in to the deep ocean as you explore our permanent exhibit Ocean! You and your little scientist can discover how we explore the ocean, along with learning about how water moves and flows. Sit in a real submarine, create a water tornado and see how waves can change the bottom of the ocean!

Feb 18, 2019

  • COSI Admission: Not Included


Explore COSI’s newest permanent exhibit. In our new American Museum of Natural History Dinosaurs exhibit you can see and discover fossils from different dinosaurs around the world. You and your little scientist will also learn about Dinosaurs closest relative and how they even exist on this planet today!

May 10, 2019

  • COSI Admission: Not Included

Mythical Creatures

Discover the origins of creatures you have only hear about in stories. You and your little scientist will explore COSI’s newest traveling exhibit from the American Museum of Natural History; Dragons, Unicorns, and Mermaids. Wonder through the exhibit and engage in hands on activities out in COSI’s main Atrium. Put on your best Unicorn pajamas and join us for Pizza and Pajamas: Mythical Creatures!

July 5, 2019

  • COSI Admission: Not Included