Build your own salt water powered mini robot vehicle - simply add a few drops of salt water and watch it go!
This innovative robot assembly kit demonstrates a new form of clean energy, with no batteries required. The special fuelled cell mini robot vehicle is powered from a chemical reaction with saline, metal and water. Adding literally just a few drops of salt water will start the robot rolling. Great fun learning about alternative energy!
Design, decorate and then fly your own unique, customized kite.$14.99