These templates are made of flexible, shatter resistant material. The templates feature a variety of shapes in various sizes, many of them actually marked with the exact size for ease of use. The edges of most of the templates double as handy rulers - one side marked in inches and the other in centimeters. Portrays 33 different geometric shapes to help students draw or copy even complex geometrical diagrams. Also features a grid inside of a large circle which is marked in degrees. Includes instructions.