Bells

Objects that release a brief jingle while swaying side to side, the sounds of Bells are generally known for announcing a certain time/event or used for music.

Lists of Bells
Golden Bells: These large floating objects have a blue clapper and a yellow, five-star point on it. The golden bells appear in Sonic Lost World and able to release Red Star Rings when the player constantly touches it in the Stage.

Bonus Bell: This is an object that appears on the Challenge Act Gate after the challenge is completed in Sonic Generations. This bell releases a Music Note, which certain colors of the Music Note unlocks certain content like soundtracks or artwork in the game. It is in Vector the Crocodile's challenge called, "Pick Up the Beat".

Badnik Bell
In Sonic Advance 2, there is a badnik based upon a bell that is only in the Music Plant Stage. These robots have eyes with purple eyelids, a gray clapper, and a red line on the bead line. The Bell badniks are known to be placed in inconvenient locations; making them difficult to avoid.