Red School

Red School is a gimmick that appeared in Sonic Colors''. ''It is simply a group of red small fishes that make Sonic invulnerable for small period of times.

Description
Red School is group of red small fishes that surrounds Sonic during his road in the water of Aquarium Park. Their main purpose it to block any enemy that wants to hurt Sonic. When the Red School gets hit the group will then disband, however they will not disband when Sonic spinning when an attack comes to him. They only remain for 20 seconds and this period can be extended if the player finds another Red School. They are usually seen around the Air Bubble.