An original Dr. STEM Toys branded product - so you know it will be great! Kids will create and learn while they play. This kit includes an illustrated booklet with easy-to-follow instructions. Children will build their own solar system, press a button, and watch as the planets rotate and the projector shines onto any surface. Each solar system includes eight realistic planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Great as a gift, for home schooling, or for the classroom. Kids will truly enjoy learning about the solar system with this fun hands-on experience. Complete with motor, on/off switch, projector, planets, booklet, and base. Over 50 pieces included! -Awesome projection of 8 diferent planets -Easy build it yourself solar system -Great for exploring the wonders of our universe -Create different rotary speeds with the included gears -Projector works on walls or ceiling Designed for kids ages 8+, requires 4 x "AA" batteries, not included.