Sites of Interest
Location: Oil Drum Alley
Items: Barrel, Banana Bunch, Winky Token, Red Balloon
Walkthrough: Climb the steps with Gnawties guarding each step. Then, while on top of the platform, jump down onto a metallic patch on the ground below to reveal a TNT Barrel. Use this TNT to blast the wall to the right.
You can collect one of the four displayed items on the barrel. All you have to do is matched all similar items. However, if you want to get into Bonus Room 46, you need to match all three single bananas. This will give you a barrel. Hold the barrel, then jump towards the right wall to enter the bonus room.