Age
6+
Grade
1-6
David Glover
Pulleys and Gears
Library Binding
(Rigby Interactive Library June 1, 1997)
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.
- Series
- Simple Machines
- ISBN
- 1575720841 / 9781575720845
- Pages
- 24
- Weight
- 11.2 oz.
- Dimensions
- 8.2 x 0.5
in.