This is part 7 of my 100% Super Mario 3D World Walkthrough.
This part includes World 3-6 "Mount Must Dash", World 3-7 "Switchboard Falls", World 3-Castle "The Bullet Bill Express" and World 3-B "A Banquet with Hisstocrat" .
Below are the times when I get the stamp and green stars in each level.
00:12 - World 3-6 Mount Must Dash
00:36 - Green Star #1
01:10 - Green Star #2
01:30 - Mount Must Dash Stamp Location
01:45 - Green Star #3
02:48 - World 3-7 Switchboard Falls
04:33 - Green Star #1
05:37 - Green Star #2
06:02 - Green Star #3
06:15 - Switchboard Falls Stamp Location
07:50 - World 3-Caslte - Bullet Bill Express
07:57 - Green Star #1
08:22 - Green Star #2
08:54 - Green Star #3
09:19 - Bullet Bill Express Stamp Location
11:55 - World 3-B A Banquet with Hisstocrat
