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or swap cards for an added twist
but only one completes the puzzle
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and Triangles (4 Equilateral
mountain lions
Survival Science Lab LED or swap cards for anUnpack your STEM skills to bring these hacks to life. Build a solar oven, make a water compass and filtration system, and create hand warmers. Kit has materials and ideas for additional experiments, with lots of easy to understand explanations. Includes solar oven, 3 funnels, filter paper, sand and gravel, activated carbon, aluminum foil, iron filings, petri dish, compass card, absorbent crystals, thermometer, tube and calcium chloride. You provide
US$ 34.95
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US$ 30.66
US$ 34.95
