8-piece wooden peg puzzle that plays vehicle sounds when pieces are placed in correct wells Full-color matching picture under each piece Place a puzzle piece correctly in the puzzle board to hear realistic sounds--lift to expose light sensor, then replace (cover sensor) to hear sound 8.75" x 11.75" x 1" puzzle board; 2 AAA batteries required, not included Makes a great gift for toddlers and preschoolers, ages 2 to 5, for hands-on, screen-free play