From the back of the box:The strategic word game which allows you to do what that world-renowned word game wouldn't...25% more tiles, 64 red and 64 black, with storage bag25% more board spacesTwo-sided tiles with upper and lower case letters allow for proper nouns, acronyms and nicknames50 unique category cards allow for bonus points4 tile holdersDurable 12' x 12' rotating playing board with recessed sqares so tiles don't slideUnique scoring system which offers a greater variety of options and more creative ways to scoreAges 12 and up - BoardGameGeek