Chenille Kraft Wonderfoam Puzzle Mat, Numbers, 20 Pieces (Ac4382)Product Descriptionthe Wonderfoam Numbers Puzzle Mat Helps Children Learn Numbers In A Fun Way This Set Includes 10 Foam Square Pieces 10 Punch Out Numbers 0 Through 9 The Interlocking Squares Are Non Toxic So Children Can Learn While Letting Their Imagination Shinefrom The Manufacturerlarge, Easy Tto Handle Foam Pieces That Interlock To Form Mats, Shapes And Structures