The Fun2 Play Acrylic Mirror is a square acrylic mirror that fits in the Fun2 Play Tray.The mirror is an important tool for children to explore themselves and use with other children. It helps children learn to know themselves and gradually get to know other people, promoting empathy.The mirror is an important tool for children to explore themselves and use with other children. It helps children learn to know themselves and gradually get to know other people, promoting empathy. The mirror is great for showing reflections of items like pebbles, marbles and other manipulatives. Fits perfectly inside the Fun2 Play Tray. Designed for use with Fun2 Play Tray. Constructed of acrylic, making it durable and scratch-resistant. Square with 19.7" sides and 0.08" thick.