Challenge to build a dragster with at least 3 wheels. The one that goes the fastest in the quarter mile wins. Contestants Team Red: The Chicago...

Challenge to build a machine chunk a pumpkin the most accurately to hit a target. They must use human power only. Contestants Team Blue: The Young...

Challenge to build a machine to carry each member on one lap around a off road course that has bumps, jumps, and water. Contestants Team Orange:...

Challenge to build a machine that can race to an island to save all their team mates one at a time. Contestants Team Blue: Art Attacks Team...

Challenge to build to open locked treasure boxes 20 feet underwater. They have to send down an aquanaut in a diver suit and pump air to his...

Challenge to build a hovercraft that is the fastest in a relay race. Each member must take a turn driving the hovercraft around the course. Each team...

Challenge to build a that will not only attain the greatest height but will also bring a payload an ostrich egg back to earth without damage. ...