Take your science experiments to the next level with the 4M Green Science Bottle Catamaran Kit! This educational toy from 2008 lets you build your own catamaran using recycled materials, while discovering the principles of buoyancy and water propulsion. Made by green science experts in China, this kit is perfect for eco-conscious kids who love to learn and create. The kit includes all the materials needed to build a fully functional catamaran, such as plastic bottles, stickers, and instructions. Once assembled, the catamaran can race across any body of water, impressing friends and family with its unique design. This Science Kit is a must-have for any young scientist or nature lover!