Rush, Caroline

Hammy the hamster continues to entertain the little girl who owns him with stories of his grandfather's adventurous exploits.

Introduces the concept of this simple machine and suggests activities which explore the principle of force.

A simple introduction to the concept of slopes, including several commonly seen examples and easy activities.

An elementary introduction to how pulleys work.

Uses simple text, illustrations, and activities to introduce wheels and cogs and how they work.