The last time we were at disney, my daughters were 5 and 8. We had stopped to watch the handicap boat come and unload at It's a small world. When we turned to leave my 5 year old had vanished! We had 4 adults with us and noone saw her take off. As luck would have it , we went to walmart and made dogtags for them. Most stores have a machine out front and they are realtively cheap and cute. We put them on a disney necklace we found in the jewelry department. There was enough room to put their name and 2 cell numbers. It came in handy!Also as another note take a picture of your child before you go in the park each day so you have a current what they are wearing now photo, There was a lady in Epcot that had lost her son and the people trying to help her was having a hard time understanding her. I saw she had a camera , and because i had just been through this i had her pull up a picture of her son.