For delivery of in-stock items in time for Christmas, order by 12/9 (12/12 for West Coast shipping addresses) and choose Regular Shipping.
Children will be fascinated to learn that many tools are simple machines. This title shows children how simple machines like levers help make the work easier and get the job done. Examples from everyday life let beginning readers observe basic physics concepts. Includes glossary, critical thinking questions, and index. Paperback, 24 pages. Ages 3 - 6.