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KlevaKids.com Inc
"This colorful story introduces the concept of friction being present wherever there is motion. The character Motion represents any type of movement. The character Friction represents any resistance to movement. Together they embody the concept that whenever there is movement, there is resistance to movement."
| Publisher | KlevaKids.com Inc. |
|---|---|
| Search language | english |
| ISBN_10 | 0-615-45436-4 primary |
| ISBN_10 | 1-939-32902-7 primary |
| ISBN_13 | 978-0-615-45436-8 primary |
| ISBN_13 | 978-1-939-32902-8 primary |
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