rubber band slingshot
many people have tried this with folded paper projectiles, but how many thought to use tinfoil? Just be careful where you aim!

ingredients:
 rubber band
small square of tinfoil

(1) fold the tinfoil
Fold the piece of tinfoil into a thick V shape.

(2) Ready ...
Stretch the rubber band between your index finger and thumb.

(3) Aim ...
Before you let fly, be careful where you aim. This projectile can punch holes in paper cups or pieces of paper. DO NOT aim at living things!

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