These flexible mirrors made of polycarbonate are designed to fit inside the Fun2 Play Tray. By placing the mirrors around the Fun2 Play Activity Tray, children contribute to early math skill development by exploring patterns, reflection and symmetry. Using adjacent mirrors, children can explore the infinite number of reflections of their creations on the Fun2 Play Tray. Use the mirrors as an accessory for your Fun2 Play STEAM lab to encourage collaborative play and to investigate art, math, science and construction concepts.Details:Set includes 3 mirrors (0.5mm thick)Use with Fun2 Play Activity Tray and Fun2 Play STEAM Lab (sold separately)For ages 18 months and upContents:1 50cm x 30cm mirror2 45cm x 30cm mirror