View attachment 129081 On our cruise last month, our husband made a BB-8 "head" for our door (the round door number was his body).
We have an R2-D2 that we ordered from Etsy and honestly his homemade BB-8 looks just as good. And was much cheaper (the only thing we really bought was the magnets). He found the image online and made it scale to work with the door. He then laminated it and put magnets on the back. Simple.
I am sure you could do the same thing to make Jedi ears.