Building Blocks Electric Technology 8-speed Gearbox Mechanical Engine Model Bricks DIY Toy gray

Building Blocks Electric Technology 8-speed Gearbox Mechanical Engine Model Bricks DIY Toy gray.Is Electric : No Battery Block Size : Small building block（Compatible with Lego） Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : Keep away from fire Material : Plastic Brand Name : Bedi Yumy Recommend Age : 14y Product Series : chassis embryo Suit a crowd : high-tech parts Key word : Enlighten bricks for kids Features : Puzzle and enrich the child