Please use 5 batteries for the 2 quarter without a battery.<br />Product introduction:<br />1 products accessories: 3 tracks， 3 magnetic small penguin， 1 three-dimensional block<br />2. The track is very interesting， design is very characteristic， 3 Little Penguin constantly from sliding down the high， and up the stairs， try to overtake each other， good intense.<br />3 with the wonderful music， the small penguin sliding process is lively and interesting.<br />Product features: simple fun， put into the 5 battery (battery two， oh)，<br />Three little penguins can be a step by step on the stairs， then from the above turn a few laps to slide down， graceful funny， adorable， on the edge of the stairs also sang beautiful to the music.