20pcs MOC 4x4 Dots Plate Buiding Blocks 3031 DIY Classic Educational Bricks Bulk Parts Construction Kid Puzzle Brain Toys

High-concerned chemical : None Certificate Number : SPF21031878A1 CE : Certificate Is Electric : No Battery Block Size : Small building block（Compatible with Lego） Barcode : No Certification : CE Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Model Number : 3031 Warning : 6 years old Material : Plastic Recommend Age : 18+,14+y,6-12Y Origin : Mainland China Origin : China Label: Yes