The fort on fourth street : a story about the six simple machines
When a young child decides to build a fort in the backyard, Grandpa comes forward to help. But they can't do it alone-they get help from the six simple machines, lever, pulley, inclined plane, wheel and axle, screw, and wedge. Told in cumulative rhyme, similar to The House That Jack Built, read...
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| Format: | EAUDIO |
| Other Format: | EBOOK EBOOK BOOK |
| Language: | ENGLISH |
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Arbordale Publishing
2007
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