The helps entertain and educate children about different forms of environmentally friendly energy. The three remote control cars each use a different energy source to power them, either wind, solar or hydrogen.
The book introduces you to a world of build-it-yourself fuel cell projects. Each project has detailed instructions and illustrations that help to take you step by step through a variety of fuel cell projects with a focus on the benefits of sustainable power sources.
This is an innovative product designed to provide you with a calculator that is powered in an eco-friendly way. Appealing to anybody into both gadgets and the environment, this calculator is ready to go whenever you need it, just insert water!
