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An Alternative Iodine Clock Reaction | Detergents and the Environment | The Hydrogen Fuel Cell Demonstration |
Catalog #: IS9505
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Catalog #: IS9502
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Catalog #: IS9507
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Our price: $42.25
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Our price: $41.50
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Our price: $36.50
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Determining the Composition of an Unknown Mixture | Kill A Watt Meter | Solar Cell Demonstration |
Catalog #: IS9504
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Catalog #: 1750-10
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Catalog #: 7002-10
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Our price: $32.00
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Our price: $29.95
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Our price: $26.50
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Windmill Demonstrators | Discontinued***UV Checker Five Levels | Handheld DC Hand Generator |
Catalog #: 7003-6
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Catalog #: 578-50
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Catalog #: 1978-1
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Our price: $19.95
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Our price: $16.50
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Our price: $12.50
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