Physical Exercise Puzzle Kitten Cat Toys 1. The bottom suction cup design of this product can be fixed on a flat or vertical surface 2. The main body of the toy can be rotated to attract cats to play, and the spinning balls on both sides of the main body can also be rotated 360 degrees. 3. The transparent ball is hollow and breathable 4. Contains catnip balls with elastic cat-friendly cues or feathers on the top to attract cats' interest.