Description

modular instruments

Five-pack of 3/4-inch steel marbles

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

Three-Dimensional Solar System Teaching Model, 13" Plastic Labware_Plastic Burettes modular instrumentsDemonstrates relative planetary motion on a 13 inch three dimensional solar system model with a 5. 9 inch sun and eight movable planets, paired with an experiment guide.

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Three-Dimensional Solar System Teaching Model, 13" Plastic Labware_Plastic Burettes modular instruments

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