Flexible, plastic mirrors for use in all types of reflection and symmetry work. Double-sided mirrors cut easily with scissors. Focus on SKILLS: Exploration of light and reflection, Distortion of reflections with concave and convex, Symmetry. Set includes: 12 Assorted Pack 4 each 7-1/2" x 6" (19cm x 15cm), 3" x 4" (8cm x 10cm) and 2" x 3" (5cm x 8cm) and Instructional Guide.