New Super Mario Bros. (DS) 100% Walkthrough - World 3 (All Star Coins & Secret Exits)

World 3 of my 100% walkthrough for New Super Mario Bros. on the Nintendo 3DS. I'll show the location of all of the star coins as well as the secret exit locations. The times for each stage/star coin can be found below. Also here are my New Super Mario Bros. Series Playlists New Super Mario Bros. DS 100% Guide Playlist https://www.youtube.com/playlist?list=PLYpDU5ElRBfnkX8wIkKvtzytop6ngigZ0 New Super Mario Bros. 2 (3DS) 100% Guide Playlist https://www.youtube.com/playlist?list=PLYpDU5ElRBfmWfqhI2wn8k5P3jkRmHrvy New Super Mario Bros. Wii 100% Guide Playlist https://www.youtube.com/playlist?list=PLYpDU5ElRBfmauCWTmvBDRutIr6Xu7IDA New Super Mario Bros. U 100% Guide Playlist https://www.youtube.com/playlist?list=PLYpDU5ElRBfkQgTtgvMHJ3rnEp-4TzO3K New Super Luigi U 100% Guide Playlist https://www.youtube.com/playlist?list=PLYpDU5ElRBfnDqneDOq_uJcOZOaFn7ZuV 00:03 New Super Mario Bros. DS World 3-1 Star Coins 00:44 Star Coin 1 (in pipe) 01:04 Star Coin 2 01:14 Star Coin 3 01:53 New Super Mario Bros. DS World 3-2 Star Coins 02:15 Star Coin 1 (in pipe) 02:28 Star Coin 2 03:03 Star Coin 3 04:16 New Super Mario Bros. DS World 3-2 Secret Exit 05:33 New Super Mario Bros. DS World 3-A Star Coins 06:27 Star Coin 1 06:38 Star Coin 2 06:51 Star Coin 3 (in pipe) 07:44 New Super Mario Bros. DS World 3-B Star Coins 08:30-08:48 Star Coin 1 (in pipe) 09:15 Star Coin 2 09:34 Star Coin 3 10:02 New Super Mario Bros. DS World 3-C Star Coins 10:31 Star Coin 1 10:58 Star Coin 2 11:12 Star Coin 3 (in pipe) 12:35 New Super Mario Bros. DS World 3-Tower Star Coins 12:55 Star Coin 1 13:44 Star Coin 2 14:13 Star Coin 3 14:21 World 3-Tower Bowser Jr. Boss Fight 15:04 New Super Mario Bros. DS World 3-3 Star Coins 15:42 Star Coin 1 16:14-16:35 Star Coin 2 (in pipe) 16:59 Star Coin 3 17:40 New Super Mario Bros. DS World 3-Ghost House Star Coins 18:30 Star Coin 1 18:50 Star Coin 2 19:39-19:57 Star Coin 3 (koopa mario required) 21:15-21:25 New Super Mario Bros. DS World 3-Ghost House Secret Exit Secret Exit Unlocks World 3-Cannon warp to World 6 22:24 New Super Mario Bros. DS World 3-Castle Star Coins 23:00 Star Coin 1 23:24 Star Coin 2 24:09 Star Coin 3 24:23 World 2 Boss Fight