Go Direct* Light and Color Sensor, is a powerful and versatile light sensor that measures light in the visible to ultraviolet electromagnetic spectrum, light intensity in the visible range, UVA, and UVB portions of the electromagnetic spectrum
HOBO* Pendant* Temperature/Light 64K Data Logger, 64K bytes, two-channel temperature and relative light level data logger, Materials: Polypropylene case; stainless steel screws; Buna-N o-ring, Waterproof housing for wet or underwater use
Glove Box Dispenser, for 2 Horizontal, Dimensions: 11inW X 4.25inD X 10inH, Made of heavy duty 3/16in thick acrylic, Medical Features: Benchtop, or wall mount to save benchtop space, Latex Free, Fits any size/brand, with mounting hardware, Single
Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size