Ugears Heavy Boy Truck VM-03 PuzzleLoader up & hammer down! Join the noble tribe of long haul truckers with a Heavy Boy Truck VM 03 model from Ugears. Let us walk you through this intriguing product with a few FAQ's. Q1. How is the Ugears Heavy Boy Truck VM 03 Puzzle different from other puzzle sets? Robust and powerful, the Ugears long hauler has an R6 engine driven by a rubber band motor. With one winding, the truck can go for about 5 meters. The transmission system implemented in