Babysigns is a perfect communication with the baby – and you´ll be surprised how quick the baby itself will be able to communicate with you by using signs. The signs will enhance the childs development and language.

You can download a free app with 30 signs and buy 300 signs cheap. Please download the app on your Iphone or Android. It´s simply called Babysigns for all. You can even record your own signs and put in into the app.
http://babysignsforall.com/