You'll find World 4-1 Stamp on a ledge in the first cave surrounded by ants.
Use the Piranha Plant above the second water section to boost into the alcove above it. Run to the right to get the World 4-2 Stamp.
Next to the checkpoint flag there is a lift that requires four characters. It will take you to the World 4-3 Stamp.
The World 4-4 Stamp is in the center of a large group of Para-Biddybuds that you'll find in the final stretch while hopping on the giant mushroom pad.
Using a Super Bell, climb the first wall of the level and head left to find the World 4-5 Stamp.
There is a gap in the two walls near the purple Warp Block. Climb the left wall using a Super Bell to find the World 4-Castle Stamp waiting on top.
Walk inside to collect the World 4-Tent Stamp.
Back to World 3 Stamps | Continue to World 5 Stamps
