With a few folds and some tape you can soon be launching soft projectiles. By Godwyn Morris and Paula Frisch The use of catapults can be traced to the Greeks, Romans and Chinese more than 2,000 years ...
Design Squad engineers Judy and Adam show you how to make a mini-catapult. Design Squad engineers Judy and Adam show you how to make a mini-catapult in the Pop Fly challenge!
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