US$ 77.95
support rod
ground to polished beveled edges and usable as a top-spinning base in secondary mechanics demonstrations
Ten unmounted 3 by 2-inch plane glass mirrors at approximate dimensions
25-inch base raises a magnetic needle to a 4
5cm for large-scale gas collection over water and chemistry demonstrations
Piazi Flower Vertical Section Model Category_Science Gifts support rodPiazi flower vertical section model exposes the vascular bundle, ovary chambers, and reproductive structures for comparative botany teaching.
US$ 77.95
US$ 89.95
US$ 179.95
US$ 139.95
US$ 49.95
US$ 61.95
US$ 179.00
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US$ 107.00
US$ 42.95
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