Just the scrabble tiles and no game? Whyfore? Well because it's a lot cheaper and they're cool! You can do a ton with scrabble tiles, including arts and crafts projects. Glue a magnet to each and use them on your fridge. Spell out things for various projects. Or just use them as replacement or additional Scrabble tiles.
Spell out some ingenious cuss words and glue them to a co-workers cubicle to get them in trouble. Spell out your kids names on their doors. Spell out in-jokes that you have with friends. Superglue them to your forehead. The possibilities are endless!