6in1 Solar Energy Windmill Puppy Airboat Plane Tank Robot Toy Kits Create a toy for fun, six different working models,Solar Windmill, Solar Revoling Plane, Solar Airboat, Solar Plane, Solar Car, Solar Puppy Teach children the benefit of solar energy,No batteries required Material: Plastic Great way to encourage a childs creation & interest in Science The best item to develop your children's intelligence, do if yourself,Building these projects teach kids the benefits of solar energy while having fun