Eisco Labs Complete Optical Bench and Attachment Set, with 20 Lab Activities40 Piece optical bench set 80 Page user and activity manual Extruded aluminum optics bench Durable ABS plastic optical brackets Storage bin with foam cutouts for optics included Note: Power Supply is Not Included This is a fully comprehensive optical bench and kit relevant to an entire year of optical course work. Note: Power Supply is not included. Some of the labs included with this kit are: Diffraction Angle of Reflection Using a Plane Mirror