Attribute Matrix
Using the size brick matrix, you are able to create an attribute matrix (in addition to size, select additional attributes in the item creation).
When Modify Size Brick is selected on the Master Item screen, the Attribute Matrix is displayed. Enter the attributes that you wanted created in addition to sizes.
To add attributes, enter the attribute in the box, (enter "b" and it will show all Colors with a "b" in the color), highlight and press Add. Once added to the larger box, it is available to add to the attribute size brick
To apply a price matrix to the items being created enable the Price Matrix and select the Price Matrix from the drop down
Press save to create all of the items that fit the criteria (as displayed on the Modify Size Brick screen)