12 PTFE* resin-coated, octagonal stir bars. Packaged in a plastic, compartmented Spinbox*. Two each of: 12.7x7.9mm, 15.9x7.9mm, 25.4x9.5mm, 38.1x9.5mm, 50.8x9.5mm and 63.5x9.5mm.
Ripple Tank, Overhead, Dimensions: 15.5inx12inx4in, 6V DC power source and an overhead projector are required, demonstrates the generation, propagation, reflection, interference and diffraction of waves