The Melissa & Doug® Numbers Sound puzzle helps teach kids numbers by both sight and sound. 21-piece wooden puzzle pronounces the name of each number when it's placed correctly in the puzzle board Pieces are slightly raised above board for easy grasping Colorful pictures below each number help teach the concept of counting 10x13¼x.7" For ages 3+ Uses "AAA" battery, not included Measurements: 1.1 Width/Inches, 13.5 Length/Inches, 10 Height/Inches Country of Origin: Imported