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$7.99 - $56.99
Explore buoyancy and power by building a motor boat using materials from your recycling bin! Experiment with different hull designs, then add the electric motor, propeller and components. After you’re done tinkering, put it in water and watch it go!
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$4.99 - $29.94
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PO BOX 7488,
Madison, WI 53707
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