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Catapult
Building: Expert
Program: Easy

LEGO Mindstorms NXT Catapult

This catapult works similar to some of the original catapults back in the days of castles and swords.  The NXT brick acts as a heavy weight that is raised up when the catapult is "cocked", then when the trigger is released, the NXT brick falling just a few inches produces enough power to fling small pieces across the room!

In a modern twist, this catapult's trigger is sound activated.  After cocking it, stand back, then clap your hands or yell "fire" and it fires on command!
 

Building Instructions

 

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