My mom is in assisted living with the beginnings of dementia. I am planning on making a prototype when I go see her in April to show to the facility director. She isn't in need of one yet but others may enjoy. Bless you for thinking of them. What about something like this:
http://www.quiltingboard.com/picture...t-t268171.html
About the third or fourth picture down is a picture of the flaps I used. It is a pattern but basically you sew prairie points to each side of the square. I stitched down the middle to stabilize during washing. Residents can play with the flaps and see the picture inside.
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