Assembly Required

Tim Allen and Richard Karn put the maker's skills to the test when they have them create an all-season leaf blower that can also melt ice and snow. Before they can play with fire, they'll have to prove they can put one out by creating a fire extinguisher.

Tim Allen and Richard Karn heat up the competition when they ask the makers to create a mobile barbecue grill with all the fixins'. Before they can start cooking, they must first prove they can create fire by fabricating a brazing torch.

Tim Allen and Richard Karn challenge the makers' imaginations by having them build a do-it-all landscaping machine. Before they can tackle their yard work, they have to build a shock-absorbing food tray for a comfy recliner.

Tim Allen and Richard Karn challenge the makers to put their best paw forward by creating the ultimate doghouse. Before they can unleash their perfect pooch palaces, they must prove their K9 construction prowess by building a functioning doggy-door.

Tim Allen and Richard Karn put the makers' skills to the test when they have them create an exercise machine that's fully loaded with all the bells and whistles. First, the makers have to build a working treadmill to get their heart rates up.

Tim Allen and Richard Karn know a few things about shouldering a heavy load, so they challenge the makers to build the ultimate miniature dump truck complete with a claw capable of both grabbing a log and crushing a garbage can.

Tim Allen and Richard Karn challenge the makers to build a do-it-yourself hot tub. Before they can hop into hot water, they have to build a fountain that's capable of both hydration and relaxation.

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 vehicle sparkle. Before they can get scrubbing, the makers have to build a handheld vacuum.

Tim Allen and Richard Karn believe a clean driveway is a happy driveway, so they're challenging the makers to build the ultimate street sweeper. First, they see who's the brightest bulb in the group as they task the makers with building headlights.

Tim Allen and Richard Karn never know where or when they'll need their tools, so they're tasking the makers with building them a mobile workbench. Before they can take their skills on the road, they have to craft a heavy-duty flashlight.