US$ 59.99
Perforated 2mm-hole grid at 1cm intervals on an irregular-shaped body mounted at its center of gravity
and Lucite dielectrics for studies of capacitance
Nine dissectable sections separate the enlarged eye from its orbital cavity
letting students vary the moment arm distances on either side and find the balance point for any combination of masses
75-inch plano-convex lenses in an aluminum frame
Plant Tissue Types Model Material_Polypropylene Perforated 2mm-hole grid at 1cmComparative plant tissue model displays parenchyma, collenchyma, sclerenchyma, and vascular tissues side by side for plant histology and identification teaching.