"The Mystery of Lyle and Louise"

Bulk hole plates to expand your TeacherGeek collection

Squeeze and Study

Dark, waxy, bitumin-rich.

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Pure translucent to white, rhombic cleavages, Mohs’ hardness of 3.

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Examine the impacts of genetic equilibrium and selection on evolution

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Formalin Preserved

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For Versatile Optical Applications

Ceramic Ring Magnets have a high resistance to demagnetization and don't need a keeper.

Glass thermometers with Enviro-Safe Black liquid.

Leak-proof dispensing of liquids.