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Engineering Principles
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KELVIN® E.P. Egg Drop Design Challenge
$7.95
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KELVIN® Engineering Principles™ Geodesic Dome Kit
$2.95
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KELVIN® Engineering Principles™ Packaging Design Kit
$3.95
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KELVIN® Engineering Principles™ Packaging Design Bulk Pack
$113.75
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KELVIN® E.P. Shapes in Paper Kit
$4.95
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KELVIN® Engineering Principles™ Jet Balloon Car Kit
$14.95
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KELVIN® Engineering Principles™ Jet Balloon Car Bulk Pack
$199.00
Add To Cart
KELVIN® Engineering Principles™ Rubber Band Racer Kit
$17.95
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KELVIN® Engineering Principles™ Rubber Band Racer Bulk Pack
$299.00
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KELVIN® E.P. Rubber Band Cardstock Racer Kit
$19.95
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KELVIN® Engineering Principles™ Rubber Band Cardstock Racer Bulk Pack
$319.00
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KELVIN® E.P. Rubber Band Powered Antique Car Kit
$19.95
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