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2 rubber bands, one '3' axle, 4 short pegs, 5 long pegs, 1 weird peice, a three hole technic peice, 2, 5 hole technic peices, 3 'L' shaped peices, and...
put the 2x4 on top of the peice you pulled back,and when you move the 3 hole peice aside it flips up and shoots the 2x4 like 10-15 feet!!!
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