With BFF, I don't mean 'Best friends forever', I mean it as BLOCKS FOR FOREIGNERS This will help if people who don't speak or speak very little English as well as if they come across hard words like: Kerfuffle, Din, Rind, Spillage and many more
These blocks will flash lights to make their sound. More than 2 will light up if a digraph, trigraph or 4-letter-digraph. The colours correspond with the starting letters
