Use this handy and versatile water quality testing device to monitor pH levels, temperature in Celsius or Farenheit, or electrical conductivity, which allows you to gauge the adjustment of nutrients, salts, and other elements for healthy plant growth. Excellent for hydroponic gardening or experiments in the classroom. LCD screen gives precise measurements to the hundreth decimal point.
Experience this sphere powered by the sun!
This kit includes several different projects that demonstrate the power of magnets!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Build your own windmill generator kit by recycling a plastic bottle!
Use this kit to introduce electromagnetic principles in the classroom setting!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
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