Central Kansas Library System

On a special field trip in the magic school bus, Ms. Frizzle's class goes into outer space and visits each planet in the solar system.

Sloth and Sengi are friends. they have grown up together in the zoo, and know every bit of their enclosure. And, frankly, they are a little bored with it. So they begin to plan an escape, with the help of some simple machines, such as levers, gears, planes, and pulleys.