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  1. Showing 1 - 36 out of 174 results for "hardest science experiments"
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      Thames & Kosmos Ooze Labs Colorful Crystal Lab STEM Experiment Kit & Lab Setup | Awesome Geometric Crystals, Dazzling Displays, With 11 Shiny, Sparkly
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      E-Outstanding 1 Set Physics Experiment Homemade Electromagnet Experiment DIY Kit For Physical And Science Project
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      School Physics Lab Experiment Kit Set Mechanics Electromagnetism Optics New. Chang Bioscience. Other Medical & Lab Equipment. 856177002152.
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      Unbelievable Science (12 in 1 Science Experiments) STEM Approved Brand New
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      Discovery Mindblown Ultimate Science Kit 3-In-1 17-Pc Experiment Set Stem Lab. Discovery. Other Science & Nature Toys. 843479112511.
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      (25 Copies) Hardcover Science Experiments That Fly And Move Hardcover Science Experiments That Fly And Move Hardcover Science Experiments That Fly And
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      4M: Kidzlabs: Anti-Gravity Maglev - …
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      25+ Copies Paperback 101 Great S…
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      Klever Kits Amazing Science Kits- 8…
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      4m Kidzlabs Crystal Mining Kit, DIY …
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      4m Kidzlabs Bubble Science DIY Ex…
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