A working model of the solar system is called an orrery. Now you can build an orrery, then wind the crank to start the fascinating planetary show. The sun lights up and the planets rotate at different speeds. Kit includes 316 laser-cut wooden pieces that come in sheets, plastic planets, a multistage variable speed gear set, and a three phase brushless motor. No glue, tape, tools, or batteries required. Finished size: 13¾" high x 13" diameter

• Build a model of the solar system that works!
• No tools required
• Astronomy kit makes a great gift for someone who likes science
• DIY model of the solar system