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× How do Electric Motors Work? $225.00
$225.00
× What is Buoyancy? $225.00
$225.00
× What is the function of Wheels, Pulleys, and Gears? $225.00
$225.00
× Why is it Cold Outside in the Winter? $225.00
$225.00
× Can we Build It with Sand or Soil? $225.00
$225.00

Cart totals

Subtotal $1,125.00
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Total $1,237.50