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Ebb and flow plumbing fittings are essential for any DIY flood and drain system.

A versatile marking tool.

Guided Inquiry Study of Soil

Examine Environmental Effects of Plant Fertilizer

Teach Students to Quickly Determine Tree Heights

Used to Examine Wood Quality and Measure Growth Rates

Created especially to meet the requirements of the GLOBE program.

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Examine the Dangers of Relying on Finite Supplies

Explore the science behind soil formation with this hands-on lab kit, ideal for environmental science and geology education.

Explore Soil’s Chemical and Ecological Complexity