Mr. Wizard demonstrates that wheels don't always need to be round to function as wheels.

When Cro and Pakka meet for the first time, Cro shows her his new trick w a log. She explains to him that it is actually a lever that he is using and how it works.

The wheel breaks on the CyberSquad's scooter, and they need to replace it in order to stop Hacker. They decide to shape one of the stones on the ground into a wheel. Their first attempt fails because the wheel is not round. After more thinking about circles, they figure out how to create a proper wheel.

Beakman defines machines and acts like Archimedes to explain why a screw is a machine. He illustrates how he used a screw mechanism to remove water from a container to reduce the amount of work required to complete the task. Beakman then explains more about mechanical advantage and simple machines like the inclined plane.

Jackie, Matt, and Inez brainstorm how to build a ramp to get up the steep cliff to the island. They create a design for the ramp such that it can be easily transported and will serve the purpose of getting them to the island.