524 Piece/ Lot Size 61.5 cm * 20 cm M 16 Building Blocks Construction Educational Bricks Compatible Without Original boxes 524 Piece/ Lot Size 61.5 cm * 20 cm M 16 Building Blocks Construction Educational Bricks Compatible Without Original boxes Ausini Toy Gun M16 1:1 Finished Size: 61.5 cm * 20 cm Brand: Ausini Material: Plastic Pieces: 524 pcs Material / Certificate: ABS / CE,CCC,EN71 These blocks are made of ABS material .Its safety includes European and American toy safety standard and GB standard. Package: Without original box