Find out how big your things are compared to everything else. Ever wondered if an Oscar would fit on your shelf, or if the Mona Lisa would fit on your wall? Did you know fleas can jump 18cm…the equivalent of a human jumping 50m? A great gift for inquisitive kids and geeky grown-ups (or anyone who needs a tape measure). 60 facts from the scientific to the ridiculous in both Metric and Imperial.