Publisher's Synopsis
Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of work - lift and lower, separate, and open.
Pressing Down: The Lever - Robotx Get Help from Simple Machines
Hardback (28 Feb 2014)
Not available for sale
Includes delivery to the United States
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Book information
| ISBN: | 9780778704164 |
| Publisher: | Crabtree Publishing Company |
| Imprint: | Crabtree Classics |
| Pub date: | 28 Feb 2014 |
| DEWEY: | 621.811 |
| Language: | English |
| Number of pages: | 32 |
| Weight: | 363g |
| Height: | 257mm |
| Width: | 206mm |
| Spine width: | 10mm |
