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Soil Test Kit
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Test for nitrogen, phosphate, potash (the 3 main fertilizer ingredients) and for pH balance, a total of up to 40 individual tests. A very practi...
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Geyser Tube (Unavailable)
Nature's Workshop Plus
Learn how to create an enormous geyser by combining Mentos® with soda. The erruption is amazing, up to 25ft high, and so is the scence just bene...
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Teaching Tank Only 12"x12"
Nature's Workshop Plus
12"x12" Teaching Tank only. WARNING: CHOKING HAZARD - This kit contains small parts. Not for children under 3 years.
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MicroChem experiment Lab Kit
Nature's Workshop Plus
This is a kit for serious chemistry students who want more challenging lab experiences! It contains 26 chemicals, 27 pieces of equipment, a handy s...
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Garbled Marbles - Super tube
Nature's Workshop Plus
Use the Giant Tube to grow gobs of slimy colorful "marbles". Just add water to the small beads and watch them grow! They are perfectly round and th...
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