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Happy City
Source Institutions
Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.
Stranded
Source Institutions
What's a more compelling problem to solve than being stranded on a deserted island?

Build A Treetop Walkway
Source Institutions
Build and test a scale model of a rainforest canopy walkway.