Is Electric : No battery Block Size : Micro building block Barcode : No Certification : CE Gender : Unisex Plastic Type : ABS Model Number : No.MA00486 Warning : Small parts unsuitable for Children under 3 years old Material : Plastic Brand Name : Szxhf Origin : Mainland China Recommend Age : 18+,14+y,6-12y Occasion : Home Decoration, Gift Toys, Children's Gifts, Etc. Features : Educational Aids, Children's Toys, Gift Toys Function 1 : Improve operation ability Function 2 : Improve hand-eye coordination