Hellow guys, Welcome to my website, and you are watching 공기가 없다면? | 뚝딱실험실 | 산소의 중요성 | 깨비키즈 KEBIKIDS. and this vIdeo is uploaded by 깨비키즈 [KEBIKIDS] at 2017-07-08T00:00:04-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.