Leave it on. [She gently ruffled his hair and then went over to the slipper cubby and pulled out mismatched slippers.]

Here, this one is your regular one and then a larger one. I mean, unless you built the foot to have the same size as your actual foot and then you can just use your regular slipper.

I'll buy you a new set so that they look the same, even if one will be bigger.