9 piece set, each piece is 20'' square x 2'' thick, covered in durable wipe-clean 14 oz vinyl. Universal hook & loop attachments allow endless configuration possibilities! Make a trail, use individually, attach in a group, it's your choice. Press on the ducks and hear them squeak. The apple is soft and plump. Sewn in mirrors on two pieces encourage interaction and exploration. For ages 6 months and up.