Eight instruments are ready for their "conductor." Place an instrument piece correctly in the puzzle board and listen to it play. Then remove each piece to discover the identity of each of the instruments! (TIP: Puzzle has light-activated sensors; for best results, expose the sensor by removing a piece in a brightly lit room, then make the sound play by replacing the piece in the board.) Place puzzle pieces correctly in the puzzle board to hear realistic musical sounds Lift to expose light sensor, then replace (cover sensor) to hear sound High-quality recording sounds crisp and clear Kid-friendly instrument illustrations Includes: 8 instrument pieces & base 8.65"H x 11.8"W x 0.85"DMakes a great gift for toddlers and preschoolers, ages 2 to 5, for hands-on, screen-free play Ages 2+ Model no. 732 Size: One Size. Color: Multicolor. Gender: unisex. Age Group: kids. Material: Wood.