1. First Black Coin
To get the first Black Coin, move forward and then make a bounce jump against the second row of bricks with a Pokey on it. After that, make another bounce jump from the highest row of bricks in order to get the first Black Coin.
2. Second Black Coin
To get the second Black Coin, jump on Koopa to send its shell flying around to the second Black Coin which is located below the next bridge.
3. Third Black Coin
Get on the cannon and tap to eject yourself once the cannon is facing upward.
4. Fourth Black Coin
To get the fourth Black Coin, take the lower levels of moving platforms and hop on Koopa to make its shell hit the Surprise Question Block that has the fourth Black Coin inside.
5. Fifth Black Coin
Once you’ve made your way to several rows of bridges, make a high jump on the last row of bridge to get the fifth Black Coin.