Description

Polished hardwood test tube rack holding 12 tubes up to 25 mm across twelve draining pins

and mixed autotrophic-heterotrophic characteristics for protist biology teaching

Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur

Flexible spine model demonstrates vertebral movement

Silicon tubing at 10 by 3 mm

Electrostatic System Physics Kit with 26 Components for 11 Experiments, Carry Case archive-pending Polished hardwood test tube rackElectrostatic physics kit pairs 26 components with 11 experiments on static electricity, charge, and field interactions in a classroom storage case.

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Electrostatic System Physics Kit with 26 Components for 11 Experiments, Carry Case archive-pending Polished hardwood test tube rack

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