Toy army or military building blocks helicopter model set. 749 piece Military WZ-10 building blocks army helicopter. The main propeller can rotate 360 degrees. The tail propeller can rotate 360 degrees. Gliding tires can shrink. The front barrel can swing up and down. The missiles on both sides can be launched. Compatible with all major brick building brands. Product comes unassembled wrapped in original polybag packaging with detailed printed paper instructions.