1. Catapult sales poster for free style by Cindy Pierre

2. The catapult materials I used are: Hot glue Wood Rubber band Nail Tip A little piece of blanket Materials list

3. This is my 3D catapult picture that I made in Google sketch up

4. The view of my catapult SidesFronttop

5. Catapult performance My catapult work very well because we take out time to make good. It will be used in battle has a weapon and to use it you need to pull the rubber band with ball then let it go.i will sales it for $ 100.