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Will it Bounce? |
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How do Electric Motors Work? |
$225.00 |
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What are Magnets? |
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$225.00 |
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Can we Design New Machines? |
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$225.00 |
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What are Earthï¾’s Natural Resources? |
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What is Paleontology? |
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How are Light and Shadows Related? |
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$225.00 |
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How do Animals Change over Time? |
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Can we Dig for Fossils? |
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$225.00 |
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What are Magnetic Fields? |
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What are the Planets in Our Solar System? |
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What is an Ecosystem? |
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What is DNA? |
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$225.00 |
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What are Knots and Nails? |
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$225.00 |
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