This is part 4 of my 100% Super Mario 3D World Walkthrough. This part includes World 2-4 "Really Rolling Hills", World 2-A "Big Galoomba Arcade", World 2-5 "Double Cherry Pass" World 2-Castle "Bowser's Bullet Bill Brigade". Below are the times when I get the stamp and green stars in each level.
00:39 - World 2-4 - Really Rolling Hills 01:00 - Really Rolling Hills Stamp Location 01:10 - Green Star #1 03:17 - Green Star #2 03:47 - Green Star #3 05:03 - World 2-A - Big Galoomba Blockade 05:46 - World 2-5 - Double Cherry Pass 06:04 - Green Star #1 07:05 - Green Star #2 07:38 - Double Cherry Pass Stamp Location 08:32 - Green Star #3 09:33 - World 2-Castle - Bowser's Bullet Bill Brigade 10:43 - Green Star #1 11:01 - Green Star #2 11:14 - Bowser's Bullet Bill Brigade Stamp Location 11:29 - Green Star #3
