If you find or if you knit, you can knit with wool and then felt it (all directions are on line). Then you can cut any shape out of the felted material that you want, i.e., a heart, a star. For men you could make it small enough to put on a shirt pocket or add a magnet for the fridg.
My DMIL had Alzheimer's and it is a very heart aching, life shaking, difficult to deal with condition that takes every bit of patience God has given you to get through it. Many, many tears and frustration.
I don't know if you are aware of two books, which helped me. 1) The 36-hour day and 2) The Long Good Bye.
Such a nice thought. Good luck!
Yolanda Wood River