US$ 19.99
5 mm inner
metal ball
Plastic-housed plotting-compass field demonstrator that maps the magnetic field configuration in one or two dimensions whenever a permanent magnet is placed against it
Mounted nervous system overview traces brain
DNA and Chromosome Staining Lab Activity Kit Size_16 Inch 5 mm innerDNA and chromosome staining kit visualizes genetic material through methylene blue staining, microscopy techniques, and cellular structure investigations.
US$ 19.99
US$ 39.99
US$ 29.99
US$ 475.00
US$ 44.95
US$ 14.99