Jolly Jong 1 is one of the Mahjong Games that you can play on maths4kid.com for free. Test your Mahjong skills with this classic version of the popular Chinese board game. Combine 2 of the same mahjong stones to remove them from the playing field. You only can use free stones, which are not covered by another stone and at least one side of which is open. You can combine any flower tile with another. It is the same with the season tiles.