Stoneslide Tower

Stoneslide Tower, or , is the second tower in New Super Mario Bros. U. It features stone platforms that are movable by spinning on wooden screws.

After completing this level for the first time, a tornado will start to form around Peach's Castle.

Layout
The course has large stone platforms that can be moved by spinning on wooden screws. Grrrols make their appearance in this tower. At the top, there is a boss battle with a Boom Boom.

Star Coins

 * Star Coin 1: At the beginning, rotate the screw and use the stone platform to jump onto a ledge on the left.
 * Star Coin 2: Rotate the third screw encountered, then run to the left and wall jump up.
 * Star Coin 3: Above the Midway Flag, rotate the screw next to some quicksand. It will rise the stone platfrom next to it. Run under it and jump along the left wall to discover a hidden warp pipe. Inside, use the screw to move the platform and guide the Grrrols so that they'll break the stone blocks. Then, by carefully avoiding them, go left and grab the third Star Coin.

Enemies

 * Spike Tops
 * Dry Bones
 * Big Dry Bones
 * Grrrols
 * Boss: Boom Boom