Included in this bag are 50 additional pegs which are used in the game to mark the altitude of your airplane. Whatever the size of your airplane collection, the 50 pegs included in the bag will allow you to get your planes above the normal limit of 4, for use with the "Fly higher" rules, or to make up for damages or losses. The product is suitable for use for all WW1 and WW2 Airplane Packs.