Awesome 160 piece construction kit - use a modular building system to put together a working catapult.
Explore the physics of force and motion with this cool kit. Follow the illustrated full colour 44-page guide to put together the 160 easy-snap pieces, then ready... aim... FIRE! The fully functional catapult has a launching lever and adjustable trajectory and can fire projectiles an impressive 20 feet. Challenge your engineering skills and explore the wonder of physics first hand - flinging good fun!