World 8-Airship (New Super Mario Bros. Wii)

 is the last Airship level in New Super Mario Bros. Wii. Here, Bowser Jr. is fought once again, this time with Bowser's Koopa Clown Car.

Layout
The main enemies on the course are Mecha-Koopas, but there is also a plethora of Cannons, whose Cannonballs mist be avoided. After that, there is a Warp Pipe along with three Cannons rotating on a cog. Throughout the level, the player must spin screws in order to progress.

In the end, there is is the last battle against Bowser Jr., whose defeat provides access to, the site of the final showdown against Bowser. During the fight, Bowser Jr. prepares to fight with his broken Koopa Clown Car, but uses Bowser's instead. He attacks Mario with fireballs and spiked bombs, which can be used to defeat him.

Star Coins

 * Star Coin 1: To grab this Star Coin, the player should simply bounce off a Cannonball to reach it.
 * Star Coin 2: Found in a small enclosure after the midpoint, the player should carefully jump in between two Mecha-Koopas to rach it.
 * Star Coin 3: In order to grab this final Star Coin, the player needs to be in propeller form. After the second to last screw (and the final squishing platforms), te player should spin another screw, jump down, grab the Star Coin, and fly up and out to safety.

Enemies

 * Mecha-Koopas
 * Cannons
 * Cannonballs
 * Giant Cannonballs
 * Boss: Bowser Jr.