Penny Catapult
To make this thing, you need 2 of the sides, cross bars, and spacers. You need 8 nails (which go inside the little holes in the arc) to hold the rubber bands, and then you only need one of everything else.
To make this thing, you need 2 of the sides, cross bars, and spacers. You need 8 nails (which go inside the little holes in the arc) to hold the rubber bands, and then you only need one of everything else.