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Air & Wind Power Kit
$29.50

Air & Wind Power Kit

Sempco

Through laboratory experimentation, observe and manipulate several properties of air. Discover that air has volume, force, pressure and resistance....

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$29.50
Pet Tornado
$5.00

Pet Tornado

Unique

Now nature’s most destructive force can be calmly observed. Shake the Pet Tornado™ clockwise and watch the funnel form. There’s a handy chart on th...

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$5.00

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