Includes: 1 double convex 38mm glass lens, 1 double concave 38mm glass lens, 1 plain 38mm glass lens, 1 clear glass screen, 2 square acrylic mirrors, 3 lens/mirror supports, 5 cellophane squares in 5 colors, 2 prisms, 1 plastic beaker, 1 flashlight with batteries, 1 plastic screen, 1 candle, 1 activity guide with 20 experiments.