$150.00 $139.95
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Join the quest for renewable energy sources with this ultimate kit.
Build... more
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$32.95
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Learn about rockets and flight! This complete kit includes a full-size almo... more
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$13.95
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Discover chaos and its random behavior with this fascinating toy that uses ... more
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$23.95 $22.95
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Blast off into the exciting world of chemistry and physics as you build a r... more
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$27.50
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Have fun solving mechanical puzzles while learning how things work with thi... more
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$14.95
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Motion picture projector, phonograph, light bulb, automatic telegraph, talk... more
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$10.95
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Great for beginners! You can learn to recycle any household paper to make a... more
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$259.95 $189.95
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Generate up to 200,000 volts of low-amperage electricity to safely experime... more
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