IN STOCK T2007 Technical Programming the Robotic Arm Building Blocks Bricks Assembling Model Toys for Boys Christmas Gift Set black.Is Electric : Lithium battery Block Size : Small building block(Compatible with Lego) Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : do not eat Material : Plastic Recommend Age : 18+,14+y Origin : Mainland China Packing : No box Manual type : Paper book Number of blocks : 784pcs