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How do Computers Work? |
$225.00 |
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$225.00 |
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× |
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What are Vibrations? |
$225.00 |
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$225.00 |
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What Materials will Bounce? |
$225.00 |
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$225.00 |
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× |
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What is Engineering? |
$595.00 |
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$595.00 |
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× |
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What Shape is a Bubble? |
$225.00 |
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$225.00 |
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What is the Displacement of Water? |
$225.00 |
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$225.00 |
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