MOC High-tech Multi-speed Engine Gearbox Set Building Blocks Bricks Compatible with Motor PF DIY Toy gray

MOC High-tech Multi-speed Engine Gearbox Set Building Blocks Bricks Compatible with Motor PF DIY Toy gray.Certificate Number : SPF21031878A1 Is Electric : Other Battery Block Size : Small building block（Compatible with Lego） Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Model Number : Gearbox assembly Material : Plastic Origin : Mainland China Recommend Age : 18,14y Product Description: Material:Environment friendly ABS plastic material. Condition: