with spring inside, the heads will be bouncing, you also can hear the animals sound when you are writting! size: 17cm height MOQ: 2000pcs per stylewith spring inside, the heads will be boucing, you also can hear the animals sound when you are writting!sample time: 3 daysmass production time: 30 dayspacking: each pc in a polybag, 100pcs/inner box, 300pcs/export carton, 43x33x54cm, 12kgs.move head ...