Hello I just saw your comment, in future when I don't reply within 24h make a comment on any of my videos (Youtube)
I think you have found the 3rd Star Coin already, but in case you havent - you have to kill those 16 Koopas in the starting area (right after the level entry and the three 4-Way-Platforms)
I think you have found the 3rd Star Coin already, but in case you havent - you have to kill those 16 Koopas in the starting area (right after the level entry and the three 4-Way-Platforms)