Pro File

Gael Force Team 126 from Clinton, Massachusetts, is one of more than 1,300 teams that compete each year at the annual FIRST (For Inspiration and Recognition of Science and Technology) Robotics competition. Teams had just six weeks to design, build, and test a robot that raced around a track to move a 40-inch inflatable ball.

Season 2, Episode 4: Gravity Bikes

The teams build high-speed gravity bikes and race them downhill. Watch now.

Hidden Alarm

Build a circuit to power an alarm so small that you can hide it.

Debbie Theobald

Meet the designer of BEAR, a remote control rescue-robot.

Season 2, Episode 3: Green Machines

The teams go green as they design a machine to lift compost on an urban farm. Watch now.