Spinning glass fans

Spinning glass fans are an obstacle seen in Checkpoint 4 and Endless Mode. They have a central metal part with four glass beams extending from it. They are seen in red or black color.

Trivia

 * In the Training Mode, they are seen only with three blades.
 * Quadruple (Four) or Quintuple (Five) Balls are good at breaking the fans.
 * In the Classic and Mayhem Mode they are seen with four blades.