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Launch It
Add to list DetailsIn this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-926.jpg?itok=_zBosHkh)
Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
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Push Pull Painter
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In this activity, learners create painting machines that can paint moving forwards and backwards.
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Zip Line
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In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).
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Watercraft
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In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
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Rubber Band Car
Source Institutions
In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems.