Keep a frozen treat from melting when you're on the go!
Turn your everyday lunchbox into one that can stay cool on a hot summer day.
Design Squad Nation is produced by WGBH Boston.
Major funding is provided by the National Science Foundation.
Project funding is provided by Northrop Grumman Foundation and S.D. Bechtel, Jr. Foundation.
Additional funding is provided by United Engineering Foundation (ASCE, ASME, AIChE, IEEE, AIME).