Solar Car Educational Kit. 5+, Snap on Design. 10.3 x 2.1 x 7.7 inches;12 ounces 8 easy snap-on models to play with this kit. 5 electronic circuits included: 1 solar panel, 1 car, 1 battery bank and 2 wires Excellent kit for solar education Snap on to build a solar car, electric car and a solar charger for AA rechargable