Shelfari edited the description of How Things Work : 100 Ways Parents and Kids Can Share the Secrets of Technology Wednesday, August 5 2009.
Here is a fascinating guide to the world of machines and technology, packed with hundreds of hands-on experiments for the whole family. Activities are designed to use every-day materials that are inexpensive and easy to obtain. For ages 8-14.
Shelfari edited the contributors of How Things Work : 100 Ways Parents and Kids Can Share the Secrets of Technology Monday, July 27 2009.