Hellow guys, Welcome to my website, and you are watching Convex Lens - Can a magnifying glass burn paper? | #aumsum #kids #science #education #children. and this vIdeo is uploaded by It's AumSum Time at 2017-09-19T02:57:40-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
