20pcs MOC Parts 52107 Brick 1x2 with Studs on 2 Sides DIY Building Blocks Toy Gift for Kids

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 : 52107 Warning : no Material : Plastic Recommend Age : 14y Origin : Mainland China