I bought the Scrabble wall tile pieces from this Etsy shop as part of a Christmas gift last year... definitely super fun for your Scrabble lover's game space! (cominguprosestheblog.com)
He also should have cut tile pieces along the edges, not filled in the gap with extra grout. (hookedonhouses.net)
Each circle is four separate tile pieces (think pizza), and the circles are available in green, brown and blue colorways. (treehugger.com)