I'm not really sure what to say. It feels like it's aimed at a very specific audience, namely children who have just had a younger sibling born who has Down syndrome, which is a very small audience. I guess you could give it to a child if you were trying to explain what Down syndrome was. But basically the only thing says is what Down syndrome isn't. It doesn't say what it is.
Message
People with Down syndrome can do everything that anybody else can do.