Adam wanted to skate faster on his ice skates. With the help of a few adult Rocket scientists, Adam builds a pair of real jet powered ice skates. All he has to do is find someone crazy enough to test them.

Rory wondered what happened to the heat that came from a car's engine? he also liked drinking hot coffee. He invented the worlds' first coffee machine powered by the heat from a V8 engine. His challenge is to sell his V8 coffee machine to teh people at a Hotrod show.

The problem with a pet dog is you have to walk them! But not if you've invented the world's first robot dog walking machine. Kristen invents a machine to walk, talk to and see her dog by remote control, all from the comfort of her living room. Kristin's challenge is to build this crazy invention and walk her dog for a full hour.

Johns feet inspired him to invent shoes with a built in air conditioning system. Johns challenge is to build sneakers and rapper King Kapese is going to test them out during one of his hottest recording sessions.