50pcs 3700 Brick 1 x 2 with Hole Bricks Collections Bulk Modular GBC Toys For Technical MOC DIY Building Blocks Compatible

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