1. First Black Coin
Hit the Yellow Switch located at the lower right corner of the screen.

Then hurry on to the highest level, jump from the single block in the middle and then bounce off from the nearby single block on top of it to get the first Black Coin.

After that, hit the Yellow Switch again at the bottom and then enter the green door below.
2. Second Black Coin

To get the second Black coin, pass through the six “invisible” coins sitting on the first level of platforms. After passing through it, pass it again and then get the second Black Coin.
Note: Be sure to jump underneath the single brick at the lower left corner of the screen to reveal the springboard.
3. Third Black Coin

To get the third Black Coin, hit the Yellow Switch that’s resting on a row of bricks with a Surprise Question Block. This will hide all the red colored bricks on top.

After that, hop on the springboard to your left to boost you to the green door at the top that’ll allow you to drop to get the third Black Coin.
Tip: You will have to make a mid-air jump while as you fall to make it to the part of the third Black Coin.
When all that’s done, enter the green door at the upper left corner of the screen.
4. Fourth Black Coin

To get the fourth Black Coin, just hop on the P Switch located at the lower right corner of the screen to turn one of the Boos into a Black Coin.
5. Fifth Black Coin

To get the fifth Black Coin, hit the second brick that’s located at the first level of bricks at the lower left corner of the screen. With the P Switch revealed, hop on that to make the Yellow Switch in the middle fall.

Then hit the Yellow Switch and then hurry up to the higher levels to get the fifth Black Coin that’s located at the upper left corner of the screen.
