Hellow guys, Welcome to my website, and you are watching 우리아이 사회성과 두뇌발달을 위해 부모가 알아야 할 운동발달지표. and this vIdeo is uploaded by 뇌균형 연구소 at 2019-04-26T02:00:04-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.