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In this activity, learners are challenged to design and build a miniature tree house in a potted plant. This activity uses engineering concepts to encourage creativity.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this activity, learners create a "Jam Jar Jet" based on Francois Reynst's discovery of a pulsejet engine, which uses one opening for both air intake and exhaust.

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.

This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

What's a more compelling problem to solve than being stranded on a deserted island?

In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.