US$ 13.99
75 inches tall with visible crankshaft
Hand-painted animal cell model reveals organelle structures
letting students directly observe pressure-volume changes under stacked weights
Sequential mitosis stages — prophase
Simple Machines Simple Lever Model Subcategory_Spectroscopy 75 inches tall with visibleSeventeen and a half inch wooden simple lever apparatus with an adjustable fulcrum on an 8. 625x2. 25 inch base, supporting both qualitative and quantitative force vs distance student investigations.
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US$ 38.00
US$ 32.00
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