Gakken Otona no Kagaku Series Mecha-Mo Centipede. This item is unopened and still in its original shrink wrap. Please note that the parts may have some dirt due to long-term storage. Thank you for your understanding. [Product Name] Gakken Otona no Kagaku Mecha-Mo Centipede [Product Description] The popular Mecha-Mo, first released in 1972, is reborn as a new series in Otona no Kagaku. The second installment is the centipede. Using a link mechanism in all directions, it reproduces the movements of an animal, allowing you to learn about moving objects, etc. [Features] ・32 legs move smoothly with power from only two motors. ・No special tools are required. Anyone can easily start the experiment. ・By assembling and experimenting yourself, you can learn how the link mechanism works. [Materials used in this kit] Body parts: Aluminum / Gears: Sheet steel + Brass / Screws, etc.: Iron (nickel-plated) [Product Contents] Assembly kit (parts, screwdriver [+], spanner), B5 size 20-page manual [Target age] Junior high school students and up [Package size] 340w x 70d x 290h (mm) ・1,710 (g) [Assembled size (mm)] 280w x 250d x 110h [Assembly time] Approximately 2 hours [Batteries] 6 AA batteries (sold separately) [Things needed for assembly] None [Country of origin] China [Instruction manual] Included Thank you.