Rock Block Badlands
From the Super Mario Wiki
The level consists of two Turnip Cannons which can be raised or lowered via the Spinwheels. It also features Bull's-Eye Bill blasters. To gain access to the Power Star, Captain Toad must utilize either Turnip Cannon to destroy the Rock Blocks, then make his way to the Power Star via a ladder on the other side of the course. He must then use another Spinwheel to lower the platform containing the Power Star.
By lowering and getting into the left turnip cannon, then turning left, an 8-bit Luigi can be seen on the underside of a platform.
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