So, after scouring online and in-store, I decided to build and make my  own.   I thought of going the picture frame route, but my mom reminded  me she just bought a new saw/sander/etc for all of her wood projects.   So armed with some of her left over thin  planks, some stain, and some  chalkboard paint, I went to work.  Here is the final outcome.
One  of them won't hold chalk well so I may need to add more paint.  The  lime green is showing yellow in the pics but with the pink, they match  my zombie shoes ;D
 
  
And this was the inspiration: