Keva Contrapations Catapult Helicopters Because of its realistic proportions

Because of its realistic proportions

2 bunnies and a fish

And that's not the end of the story: Children can mix

use TRAG5152

Maryland and was co-hosted by the Maryland National Capital Park Police and the United States Park Police Units

Keva Contrapations Catapult Helicopters Because of its realistic proportionsBuild your own authentic catapult with planks, a little glue and the help of easy, step by step instructions. Then let the fun and experimentation begin! What shoots farther, a marshmallow or a piece of macaroni? How does the objects course change when you pull the arm back to different points? If you make the flight deck higher, how does it affect the hurl? Includes pre drilled planks, wood glue, leather strap, ruler, rubber bands, cup, 2 balls,