Little Treasures Solar Kit Play Build and Learn Educational Set Build a car thats powered by solar energy! Recommended for children who are ten years of age or older. The kit includes a chassis, a car body, a front wheel, axle, top, 2 rear wheels and a solar panel. Assembling the toy car is just the start of the process  the best part is powering the toy with solar energy! Learning about alternative energy and environmental responsibility is a great side-benefit of this amazing toy!