This peg puzzle contains 8 wooden pieces which sound when placed correctly into the puzzle board, allowing children to relate to their own experiences. Contains a full colour matching picture beneath each piece. 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. Improves hand eye co-ordination. Develops memory and matching skills. Farm Sound Puzzle. Requires 2 AAA batteries - not included. Size: 30 x 22cm. Age Suitability: 2 Years +.