10PCS 90630 Pin Connector Suitable Building Blocks Perpendicular 3L With 2 Pins Ball Bricks Toys Adults Boys Holiday Gift

Is Electric : No Battery 3C : Certificate Block Size : Small building block Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : no Material : Plastic Recommend Age : 14+y