10pcs 6542 Gear 16 Tooth Including Clutch Blocks Collections Bulk Modular GBC Playthings Ideal For Tech MY OWN CREATION DO-IT-YOURSELF Buildings

Certificate Number : no Is Electric : No Battery 3C : Certificate Block Size : Small building block（Compatible with Lego） Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Model Number : 6542 Warning : no Material : Plastic Origin : Mainland China Recommend Age : 18