110pcs DIY building blocks compatible with 3024 1x1 board technology, building accessories, building blocks, children's toys

Hign-concerned Chemical : None CE : Certificate Is Electric : No battery Block Size : Small building block（Compatible with Lego） Certification : CE Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Material : Plastic Origin : China Recommend Age : 6-12y