Soundfrog

Sound Effects are A feature in the Game Super Mario Maker, They are eventully unlocked in the game and can be accesed by pressing the Sound Effect Frog icon on the left of the screen. Sound Effects can be placed into the backdrop and will play if Mario touches them, they can also be placed onto objects and enemies and will play the noise if the object does a specific thing (for example hitting a ? Block from below). Most Sound Effects create visuals and will appper as the sound effect plays.

There is additonally a pre-made Level in the game called "Sound Effects" that shows the player how sound effects work and what they can do.