Solar RacersTM Sun Powered Micro Vehicles Outdoor Racing Set. Get ready for some fast fun under the sun! Solar Racers use real solar cells to convert sunlight into speed! Just take 'em outside, place 'em under the sun and let 'em rip! Ages 6 and up. Solar Racers are designed for outdoor use only under direct sunlight. Features: 2 Solar Racers, Starting Gate, Auto shut-off after 20 minutes of operation, Over 5 ft. of Race Track, Real solar cells, No batteries required. Warning: CHOKING HAZARD: Small Parts. Not for children under 3 years old.