Bottle Cataraman is a Cool Green Toy

The Bottle Catamaran is a green science project toy for kids (and kids at heart). Recycle a pair of plastic soda bottles into a working fan-powered catamaran boat powered by 2 AAA batteries. The kit includes everything you need except the bottles and batteries. It will demonstrate some basic physics properties while you have a lot of fun with your boat. Cool.

via redferret

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