Each happy farm animal "sounds off" in its own voice when its animal puzzle piece is placed correctly in this eight-piece wooden peg puzzle! Your child will enjoy hearing all eight sounds and looking at the full-color, matching pictures under the pieces, while developing matching and listening skills with this captivating multisensory puzzle. (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.)Features:8-piece wooden peg puzzle with sturdy wooden puzzle boardFull-color matching picture under each pieceLift to expose light sensor, then replace (cover sensor) to hear soundAural reinforcement helps children play independently.2 AAA batteries not included