Enterprising junior scientists and race car enthusiasts (who says you can''t be both at the same time?) can build a cool, solar-powered racer. This book and science kit in one includes wheels, a motor, car chassis, axles, wires, and a genuine one-vol t solar cell. Plus simple, Klutz-clear instructions, solar facts, challenges . . . even advice for the science fair. No glue, no nails, no tape, and (best of all) no batteries required for this solar energy kit. Build it today and race it forever, t hanks to the biggest renewable energy source in our galaxy: the sun. Comes with: 48 page book, solar cell, motor and motor mount, connectors, axels, wheels, pulley