How to get to World 4 in New Super Mario Bros DS | W2-Castle Secret Exit

Super Mario figurines on sale: https://amzn.to/3RBs1S0    • The 20 best Super Nintendo games of all time   In this video I show you how to unlock the World 4 in New Super Mario Bros DS. When we finish the World 8 we realise that Word 4 and 7 is unexplored, but How we unlock the world 4? Check the video and you going to find out. I hope you enjoy this video.