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Can we Build a Rocket? |
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What is the Science of Color? |
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$225.00 |
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What is Innovative Engineering? |
$595.00 |
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$595.00 |
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What are Special Mixtures? |
$225.00 |
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$225.00 |
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Why do Animals Start as Eggs? |
$225.00 |
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$225.00 |
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What are the Planets in Our Solar System? |
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$225.00 |
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What is the Earthï¾’s Tilt? |
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$225.00 |
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What are the Primary Colors of Light? |
$225.00 |
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$225.00 |
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What is Magnetic Separation? |
$225.00 |
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$225.00 |
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