Equilateral Prism, Material: glass, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (in room light) by using the simple led light of a smart phone, User will need to create a small slit in black piece of paper and use, Size: 6in Hx1in W
LED grow light, 24inch, high performance strip, perfect for a wide variety of plants, Sleek, rugged aluminum housing provides cooling-technology that eliminates unwanted heat, Light Output: 2,640 lumens, Power Consumption: 24W, Number of LED Diodes: 48, Color Temp: 6400K