Learn more about the simple machines that make life easier, from wheels and axles to wedges and screws.

Give kids a head start on science with simple experiments and activities that have been designed specifically for young scientists and require only minimal adult supervision.

First Science books answer basic questions kids ask about the world around them and start them thinking.

 

 Age 8
 Grade 3  
 Author - Shar Levine & Leslie Johnstone
 Format - Hardcover
 Pages - 48
 Dimensions - 21x21 cm