They were first created around mid-19th century for the purpose of keeping loose papers in place. Like marbles, they quickly became collectibles people like to pass down to their children and grandchildren! They are also still very useful to keep your study tidy! These small-looking beautiful creations are heavy enough to weigh down and keep your bills, newspapers, documents, or whatever else you normally scatter around, in place. Neat and tidy, also eye-catching! Perfect gift for a study or an office desk.