I agree with Talking Hands, especially about giving out too much information. I'm fairly certain all CMs are familiar with the special stamp for Wish Kids. The others vary by what you will get based on both the attraction and codes.
Explain the needs at Guest Relations; if it does not work as you feel necessary, go back and discuss it with them.
However, there definitely should not be any discussion here on the subject, and I am closing the thread.