K'nex Catapult

This is a knex catapult that can shoot up to 25 feet depending on what size rubber band you use.

Supplies

Rods

12 green
9 white
12 blue
7 yellow
7 red

Conectors

1 white
6 blue
22 dark grey
8 orenge
2 green
4 grey
3 red

Other

2 grey spacers
1 small grey wheel
1 rubber band

Step 1: The Frame

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Step 2: The Catapult

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Step 3: Finished

Pull the white conector to launch the wheel.