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All Wound Up
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In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.
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.
Masses & Springs
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In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.
Rubber Band Car
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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.
Target Practice
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In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.
Extreme Kicking Machine
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In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine.
Kicking Machine
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In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.