Variations

One variation is 3x3 which means it a 3 by 3 square cube. The total for all the side have to equal 15.

There is also a 5x5 which is a 5 by 5 square. The total for this version must equal 65 tiles.

You can also play with dominos.all you have to do is use one half of the domino and use them to add up to 13.