This is an really cool catapult! it shoots pretty far and its really simple! This is my original idea. Hope you like it!! :):):):) 

Step 1: The Pieces You Will Need.

I made it shoot really far by moving the bottom arm up a notch to super charge the rubber band
<p>Nice and simple. Although this is rather generic. To improve, you could try to make it more studier so that the structure of the catapult can mainatan greater tensions from the rubber band, allowing further ranges.</p>
Ok! Thanks I will keep working.:) thanks again for all the advice!!☺☺
<p>No problem! :-)</p>

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