Science fun with toy boats and planes
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Easy experiments to do at home or school with home equipment, showing basic principles of how boats float and move and how planes fly.
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- ● children's books, science & technology
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Easy experiments to do at home or school with home equipment, showing basic principles of how boats float and move and how planes fly.
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"Easy experiments to do at home or school with home equipment, showing basic principles of how boats float and move and how planes fly."
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