Tim Allen and Richard Karn know a few things about shouldering the load but when the load gets too heavy, the shoulders can use a break. That's why the guys are challenging the makers to build the ultimate mini dump truck complete with a claw capable of both grabbing a log and crushing a garbage can. Which maker will create the winning dump truck to haul in the cash?

Tim Allen and Richard Karn believe that dirty cars are no laughing matter, so they challenge the makers to create a mobile car wash capable of making any car sparkle. But first, the makers have to build a handheld vacuum. Will the makers wipe up the competition with their skills or be left in the dust?