Bowser's Airship 1

Koopa no Hikōsen Zenpen (クッパのひこうせん　ぜんぺん Koopa's Airship: Part First, unofficially known as Bowser's Airship 1) is an e-Reader level for Super Mario Advance 4: Super Mario Bros. 3. The level contains three Advance Coins.

Level Synopsis
This level takes place on an airship. The player starts outside the airship before entering via a door. Defeat Boom-Boom to finish the level.