Back to Hands-On Hall

Back to Hands-On Hall, or , is the fourth level of World Mushroom in Super Mario 3D World. It is unlocked after completing Deep-Black Jungle Drift, and its own completion unlocks Gigantic Seasick Wreck.

Layout
The level is a new version of Hands-On Hall. Unlike the original level, this version is carried out in the day instead of night. Some interior changes are the inclusion of enemies like Fire Bros, Hammer Bros and Boomerang Bros the level also has Baseball, Clear Pipes, Spikes, and Key Coins which must be collected to go to the next area.

Outside now has Flopters, Lava Bubbles and a Green Ring. Also, there are clouds which must be climbed to reach the Flying Goal Pole.

Key Coins

 * Key Coin 1: Under the stairs leading to the second floor in the first area.
 * Key Coin 2: Guarded by two Hammer Bros. on the second floor.
 * Key Coin 3: Behind a set of sliding doors on the second floor, guarded by Goombas.
 * Key Coin 4: Behind a set of sliding doors on the third floor, guarded by a Hammer Bro.
 * Key Coin 5: Obtained by striking a gong blocked by a wall of Blurkers.

Green Stars

 * Green Star 1: In a Clear Pipe on the third floor, accessible only with a Fire Flower, as there's a Mine inside the Clear Pipe.
 * Green Star 2: Obtained by collecting 8 Green Coins near the Checkpoint Flag.
 * Green Star 3: Inside a small area with piles of coins, accessible by a Warp Box shortly after the Checkpoint Flag.

Enemies

 * Goombas
 * Goomba Towers
 * Hammer Bros.
 * Boomerang Bros.
 * Fire Bros.
 * Blurkers
 * Flopters
 * Lava Bubbles
 * Mines