How about a Simon Says game?  

http://www.christianbook.com/apps/product?dv=m;en=google-pla;event=SHOP;item_no=018975X;kw=games-0-20;p=1179710;gclid=Cj0KEQjw8aeiBRCknPXk-u_V_4gBEiQAD2-mgawhMb7dFqMDeCGFwuAynLoLTrsE3AngUK6-JBob1Q8aAsjY8P8HAQ;item_code=WW

Mike B.
Sent from my iPhone

> On Oct 24, 2014, at 10:47, John Rodgers <jrodgers113@GMAIL.COM> wrote:
> 
> Dear Volks,
> 
> Since my stroke, I find I need a therapy device that is not generally
> available and maybe someone here who is into electronics can point me in
> the right direction.
> 
> I  need to exercise my hand and arm by pointing. It is actually a
> coordination exercise. I need to actually touch what I am pointing at
> repeatedly and the object pointed at needs to change positions randomly.
> What I propose to have made is a panel with lots of little LED lights which
> will light randomly and stay  lit long enough for me to extend my arm and
> touch the light. Needed is a random pulse generator to work the lights. I
> have no idea how that would work or how it would need to be wired but
> surely there must be a way. The length of time the lights stay on must be
> adjustable.
> 
> I solicit your suggestions, comments and help.
> 
> Thank you,
> 
> John