Meet all the animals on the farm. Recognize their shapes and unique sounds with this fun puzzle. When you place the animal back in the right spot, you'll hear a matching sound. This puzzle with 7 animals and a tractor with sounds promotes eye-hand coordination and stimulates your child's vocabulary. The sensors react when the puzzle piece is put back. Puzzle contains light-activated sensors - use in bright light for best results. Make sure the switch is ON to enable the sound function. Sensors can be accidentally activated by direct sunlight, so always turn them off when not in use. (Batteries (2 x AAA) not included.)