"micro tube racks"
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Dual Axis 'Smart' Solar Tracker
Create your own computer controller dual axis solar tracker in under and hour, using only a screw driver.
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LaMotte® Digital Topsoil Tour
The LaMotte® Topsoil tour is an exciting classroom investigation into the physical and chemical properties of soil.
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Estes Green Eggs Model Rockets
Launch an egg and test recovery systems with this reliable, sturdy model rocket.
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