Consists of:

• A compact 110VAC -to low voltage DC power adapter for a laser source for one, three or five light beams w/flip of a switch mounted on the laser box
• supplied w/polished acrylic optics such as a biconvex lens, a biconcave lens, an equilateral prism,  a right angle prism block, a rectangular block, a trapezoidal block,  a semicircular block , a semicirular D shape container and a high quality concave mirror
• instructions and suggested experiment w/printed magnetic sheet that can be mounted on steel black board.
• comes in  a beautiful metal portable storage box as shown