This wooden, 21-piece puzzle pronounces the name of each number when its piece is placed correctly in the puzzle board! Pieces are slightly raised above the puzzle board, for easy grasping. Colorful pictures to help teach counting and reinforce the relationship between numbers and numerals are underneath each piece. Dimensions: 0.8" x 10" x 13.5" Assembled Recommended Ages: 3+ years Contains small parts. AAA batteries not included.