This is the ultimate interactive and customizable play mat package! The Shape & Play Sensory Mat Squares is full of colors textures and sounds to delight children. Squares attach with hook & loop making this a versatile set that can be put together in any number of different ways. Make a trail use individually attach in a group its your choice!Each piece in the 9 piece set 20" square x 2" thick. Set includes: press on ducks that squeak an apple that soft and plump and sewn in mirrors on two pieces to further entice interaction and exploration.