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What Makes a Toy Top Spin?
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How Do Streets Get Their Names?
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Why Do People Put Toy Trains Under Christmas Trees?
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How Did the Teddy Bear Get Its Name?
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Who Invented Numbers?
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How Do You Connect the Dots?
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Does Music Help You With Math?
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What Is a Prime Number?
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How Will Future Astronauts Travel To Outer Space?
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How Many Degrees Are in a Circle?
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Who Invented Action Figures?
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When Is Sand not a Solid?
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Do Robots Wonder?
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How Do You Find a MacGuffin?
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How Fast Can You Stack Cups?
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Why Do Cats Love Catnip?
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How Is Addition Like Subtraction?
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How Old Is Barbie?
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Who Invented the Super Soaker?
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How Was the Slinky Invented?