10pcs 3650 Gear Series DIY Small Particles Building Block Compatible Gear Rotating Platform Gear Differential Gear Rack

High-concerned chemical : None

Is Electric : No Battery 3C : Certificate Block Size : Small building block Barcode : No Certification : 3C Gender : Unisex Plastic Block Shape : Self-Locking Bricks Model Number : 3650 Warning : no Material : Plastic

Recommend Age : 18+