Feature:1. Improve Patience: DIY space model suitable for exercising children's thinking ability and can also exercise children's patience when assembling.2. Cultivate Practical: DIY learning toys allow children to assemble some small structure toys by themselves, effectively cultivating hands on ability and creativity.3. Knowledge Learning: Wooden space model DIY toy allows children can learn science technology and physics experiment knowledge, a good educational toy.4. Simple Assemble: DIY space model is easy to disassemble and assemble, helps improve your child's hand and eye coordination and satisfies his confidence.5. Excellent Wooden: Electric space model assemble toy made of high quality wood material, adopted exquisite workmanship, with smoothing surfaces, which is durable to play.Specification:Item Type: Electric DIY Space ModelMaterial: Composite woodBattery: 2 x AA Batteries (Not Included)How to Use:Fix the gear on the rotating plate with two short screws, fix the baffle with slot and the solar panel with screws, connect the battery box wire through the baffle at both ends of the motor interface, and install the short shaft on the motor drive hole.Package List:18 x Screws2 x Nut 2 x Long Screw1 x Iron Rod1 x Double Sided Tape1 x Screwdriver 1 x Battery Box1 x Motor2 x Board 1 x GearNote:This product contains small parts, kids should be used under the supervision of adults to avoid accidental ingestion by children.