reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam
Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube
Density Cube, includes one each of acrylic, oak, pine, poplar, steel, aluminum, copper, brass, nylon, and PVC cubes packaged in a wooden storage box, Includes a reference table showing density values of individual specimens, Set of 10