World 2: Castle

Coin 1

There are two ways to get this coin. The first and easier method: As soon as the level begins, quickly either propeller suit or jump off a teammate's head (multiplayer only) to the ledge above for a coin, before it's rendered inaccessible by the moving screen. The second option is to take the middle path of the three-paths ahead--it'll lead you right to it when it loops around.

Coin 2

The second coin can be found in a shaft just past the three-path section. Destroy the bricks and wall-jump to grab it.

Coin 3

After the second three-path section, hit the P-Switch and quickly cross over the newly formed bricks to reach the final coin.