Teams will build go-kart carriers for the go-cart race over land and water.

Teams will build fire trucks with parts from a destroyed police car.

Cartoon Network stars build foot-powered mini-boats to transport inflatable balls.

Siblings compete to build an 18-wheel vehicle to haul boxes through a winding course.

Monster Jam's Grave Digger and Maximum Destruction compete with fans in a battering ram challenge to destroy car windows and cars.

WWE superstars John Morrison and The Miz come to compete in a surveillance car obstacle course challenge.

Kids take on their dads.

Teams compete in building music machines