Sing Song World (Mario's Early Years! Fun with Numbers)

Sing Song World is a location in Mario's Early Years! Fun with Numbers. It is one of the seven islands in the game and is represented by Wendy and two children singing.

Sing Song World allows the player to listen to the following songs with some visual depictions:
 * Displays Mario choreographing to the song in a bedroom along with anthropomorphic monkeys.
 * Displays Mario choreographing to the song near a house.
 * Displays Mario in a "This Old Man" persona while choreographing to the song. The song itself goes up to the fifth verse.
 * Displays the Koopalings, along with a smaller version of Bowser and two Koopas resembling Ludwig.