Good morning, Fran, Tibs, Dale, Classy & Kat!
Marvelous idea.......know a couple of friends who have something similar they use for home therapy.i went ahead and ordered dh some homework
https://www.amazon.com/gp/product/B00QIM5CMA/ref=od_aui_detailpages00?ie=UTF8&psc=1
(no damage was done)