I was looking around on Ebay and noticed quite a few people selling their Magic Bands. Some up for bid are single bands. They are advertised as being used to unlock something on Disney Infinity. I don't have a Disney Infinity game so wouldn't help me. I can see that people that do have the game would like one if they don't have a trip on-site planned. Others are selling groups of them, like 3 -5. Now my question is why sell them in groups if you only need one to unlock a section of the game? Some of them are pretty expensive too and people are bidding on them. I understand that people will buy anything, but is there a hidden park opportunity with them too? I guess I am just confused on everything Magic+.