Thames & Kosmos Eco-Battery Vehicles

Características:

• Explore the future of electric cars by building and experimenting with 20 different models

• Learn how batteries work

• Metal-air electrochemical cell uses magnesium plates, salt water, and oxygen to generate electricty

• One magnesium plate last six times longer than a regular AA battery

• New 2012 Item - includes 64-page full-color manual