US$ 20.00
7 geometry pushing the focal point downrange for projection-style real-image formation across long benches
letting gas evolution and electrode-color changes stay visible from the back of the room during water-decomposition lectures
sized for hands-on Hooke's-Law measurement with hanging weights
sized for precision-stripping multistrand and solid-core circuit wire ahead of soldering or terminal-block insertion
covering metals
22" Mounted Chromosome Model, Extra Large Subcategory_Electrostatics 7 geometry pushing the focalExtra large mounted chromosome model at 22 inches supports classroom teaching of chromosome structure, centromere position, and chromatid arrangement.
US$ 20.00
US$ 15.00
US$ 15.00
US$ 15.00
US$ 23.00
US$ 25.00
US$ 25.00