20pcs MOC Parts 60593 Window 1 x 2 x 3 Flat Front Compatible Brick DIY Assmble Building Block Particle Kid Puzzle Brain Toy Gift

High-concerned chemical : None Is Electric : No Battery 3C : Certificate Block Size : Small building block Barcode : No Certification : 3C Gender : Unisex Plastic Block Shape : Self-Locking Bricks Model Number : 4287 Warning : no Material : Plastic Recommend Age : 18+,14+y