Build this cool rover using the kit parts provided and an old soda can. Place your solar rover on a smooth floor surface on a sunny day. Watch it go without battery power. Learn how sun light is turned into energy. It's a cool green science project. Contains 1 long and short support arm section, 1 support arm top and case, 1 solar panel support, 1 solar panel with wires, 1 chassis with rear axle in place, 1 axle, 4 wheels, 1 motor with wires and worm gear, 1 motor cover, 2 reflectors, 1 plastic cover, 1 inner and outer connector, 2 terminal caps, 2 long screws and 3 short screws, nut, and detailed instruction booklet. Ages 8+.