3D Printing & Hand Assembly: Each product is slowly printed by a 3D printer and then hand-assembled. Due to varying printing temperatures, you can clearly see the texture of each component. Exquisite Craftsmanship: Maximum diameter approximately 26 cm; maximum height approximately 11 cm (including base). Power Supply: 12V DC power supply, DC 5.5 2.1 interface; includes a 1.5-meter black two-prong power adapter. Premium Materials: PLA 3D printing material. resilient, but prone to deformation under high temperatures and direct sunlight. PLA is a biodegradable material that becomes brittle over time. Finished Product Includes: 1 pre-assembled base (motor base, bracket, gear assembly, etc. are already mounted on the base); 4 track gears (interlocked and glued); 1 12V power adapter; 1 spare tool kit (1 screwdriver, 2 spare screws, 1 conversion tool). service: we value our customers' shopping experience. if you have any questions, please feel free to contact us, and we will respond as soon as possible within 24 hours