HI, my name is Michael west. I have an Idea that I'm in the process of having patent. I'm positive there is nothing like it, that it is extremely useful especially in theme parks,playgrounds, tourist, travelers and will provide a more safe fun experience for children, parents,and family. I am offering you first dibs so to speak I can and will provide you with more information about the product at the time we speak. Feel free to email me or call at 1-804-402-4984.