Official Smithsonian Licensed Robo-Spider, Build your own Spider. Eight Multi-jointed Legs duplicate the Walking movement of real spiders. Motorized and Battery Operated Ages 8 And Up Includes 1 Spider 2 Wires Battery And Color Poster With Instructions Adult Supervision Required Conforms To Astm D 4236 Origin- Imported # Pieces In Set: 5 Number of Batteries: 1 Included: 1 Instruction Manual(s) Learning Skill: Creative Thinking, Motor Skills, Engineering Power Source: Battery (not Included) Recommended Ages: 8 Years And Up Measurements: 11.75 Width/Inches, 3 Length/Inches Assembly: Assembled Base Material: 100% Plastic Battery Size: Aa Care: Wipe Clean Country of Origin: Imported