1. First Black Coin

Hop on the Dash Back buttons to get the upper ledge behind you. Then bounce off from the single brick floating above you to latch on the wall. Once you’ve latched onto the wall, jump to get the first Black Coin.
2. Second Black Coin

Take the upper platform where there are three Zombie Koopas marching. Hop on the third zombie Koopa to get the right boost for the second Black Coin.
3. Third Black Coin

As you move forward you will find two Surprise Question Blocks with a brick in the middle floating on top of a platform. Jump under the brick in the middle to get the third Black Coin.
4. Fourth Black Coin

For the fourth Black Coin, hop on three Dash Back buttons to get on the ledge behind you. Above this ledge is the fourth Black Coin that has a few Gold Coins beside it.
5. Fifth Black Coin

After this, take the lower part and then hop on a trio of Dash Back buttons to get on the wall where the fifth Black Coin is located.