An entire optics set at a great price! Features everything needed to demonstrate the basic principles of light and color. Includes a reusable storage box. Contents: * 1 double convex glass lens, 38mm diameter * 2 acrylic equilateral prisms, 25mm x 50mm * 1 double concave glass lens, 38mm diameter * 1 plain glass lens, 38mm diameter * 2 acrylic mirrors, square * 2 plastic mirror supports * 1 wooden lens holder * 1 graduated plastic beaker * 1 flashlight with batteries * 1 white plastic screen * 1 clear glass screen * 1 candle * 5 cellophane squares in five colors * Activity guide with 20 experiments