Haven't actually tried it, but since Mickey is a good bit skinnier than the Build-A-Bear, the outfits would be pretty baggy. The shirt for the Pal Mickey I have has a velcro opening in the back, where the Build-A-Bear outfit I have is a pull-over. You could try to modify the shirt by cutting the shirt down the back, slim it down some and attach some velcro. I'm not sure what that would do to the armholes, though or what it would look like. We got an Annual Passholder shirt for our Pal Mickey and it was very small compared to the Build-A-Bear outfit. Please share if you come up with a good idea - from what I've see, the clothes are very cute.