Synopsis Constructions and experiments with different toys and mobiles introduce the basic principles of balancing.
Details
Publication Date:
1993-04-01
Series:
Boston Children's Museum Activity Book
Illustrator:
Roy Doty
Size
Height:
9.5 in
Width:
7.8 in
Thickness:
0.8 in
Weight:
16.0 oz
Publisher's Note The author of Wheels at Work offers instructions on how to create balancing toys and sculptures that appear to defy gravity, including more than fifty experiments demonstrating how and why these inventions work.