Match 3 or more identical christmas items to make them explode before time runs out. If you match 4 or more identical christmas items you'll get extra time. Match 4 identical items in a row / column to get a bomb. Match 5 identical items in a row / column to get a CHANGING item, that will destroy all identical items and will give you extra time for each exploded items. If you are lucky, you'll get extra time in the board.