Yes, this is a very cool place. Lots to choose from if you are a chocoholic. There was some construction going on inside when we arrived and they blocked off one of the floors.
Service is excellent. They are very quick to assist you and help you find anything. And they usually have the M&M person dressed up upon entry to greet you or dance with you.
Only issue, as with many others, is that they charge literally thirteen dollars a pound for this stuff. And everything else is overpriced as well. They have a ton of cute items to buy and eat, but when you realize that they are just the same M&M's you buy anywhere else, just wrapped up in fancy packages, you come to your senses and you walk out with a minimum amount. But it is Vegas after all.
Great place. But very easy to spend a lot, especially if you have kids.