The Magic School Bus - Getting Energized - Ep. 23

At the Walkerville carnival the class is running the Ferris Wheel, however, it doesn't unwork for some reason. Carlos' little brother, Mikey, comes to the rescue. Since electric power will not work, they decide to use the energy of falling rocks. If the passengers ride in one side of the wheel and the rocks land on the other, then they will cause it to turn without hurting anyone. The problem is how to get them to it.