50pcs 3747b 3747 Inverted 33 3 x 2 Bricks Collections Bulk Modular GBC Toys For Technical MOC DIY Buildings Blocks Gifts

High-concerned chemical : None Certificate Number : no Is Electric : No Battery 3C : Certificate Block Size : Small building block（Compatible with Lego） Barcode : No Certification : 3C Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Model Number : 3747b Warning : no Material : Plastic Recommend Age : 14+y Origin : China Label: Yes