Eco.6 is a totally green toy kit that is powered by natural light. You could easily install and utilize recycled materials on the main structure and have your own solar kit with 6 different fun models and movements. For example, find drinking can to create a Walking Robot and Street Roller. Use empty bottles to build a Bottle Yacht, Drummer Robot, and Flying Bird; Or get a scrap CD and make a CD Racer. Let's have our children play in an eco-friendly way, and learn a new green solar energy source as well as use recycled materials for a sustainable future.