Secret Ink
October 3, 2009 by Christine - From Dates to Diapers
Filed under Ethan, experiment
Tweet Today Ethan read all about secret ink in The Dangerous Book for Boys. One of the agents that can be used for this disappearing ink is urine and, of course, Ethan wanted to try it. Uh, I don’t think so. The book says milk works, as well as lemon juice and egg whites. The [...]
