Rolling along the wheel and axle
"Rolling Along explores the benefits and uses of the wheel and axle. RobbO and RobbEE build a cart to make it easier to move a heavy load, and learn how the wheel and axle are also used for lifting and turning."-- Provided by publisher.
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| Format: | Books Print Book |
| Language: | English |
| Published: |
St. Catharines, Ontario ; New York :
Crabtree Publishing,
[2014]
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| Series: | Robotx get help from simple machines
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| Subjects: | |
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