Library Lab with Miss Jess South Portland Public Library Miss Jess is keeping busy in the Library Lab…. How do you make an egg bounce? Miss Jess will show you… Miss Jess blows up a balloon, but not the way most people do it! Share with friends:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)