20PCS MOC Parts 30364 51478 1x2 Brick Hinge DIY Building Blocks Compatible with Major Brands Kids Brain Puzzle

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 : 30364 Warning : no Material : Plastic Recommend Age : 18,14y Origin : Mainland China