Product details:

LEGO track element that that can be tightened and loosened, giving the bulldozer its realistic movement.
Includes 2 x no. 15 motors, 2 x large motors and 1 x hub, and requires 6 x AA batteries (not included) to operate the construction vehicle.
This impressive LEGO set for adults makes a top gift idea for yourself or any fan of Cat bulldozers and other cool vehicles.