Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
Dixon Phano Nontoxic China Markers, Nontoxic, Paper Wrapped, Blue, Ideal for marking on glass, plastic, film, paper, metal, rubber, almost any surface. Bright colors deliver vivid marks. Marks easily wipe away clean from any smooth surface.
Loop, inoculating loop features an 8 inch long solid brass handle with an insulated grip, non-calibrated 26 gauge nickel-chromium wire loop is approximately 5mm in diameter. Also available as a set of 4, with color-coded handles for easy identification.