SmartyKat Track Tipper Suction Cup Ball Track Cat Toy is an intriguing spin on the ever popular cat track toy that works on the floor or the window! The track rocks and spins on carpeted or hardwood floors when touched, rolling the ball from one end to the other. Cats can't get the ball out, making this a safe and irresistible game of chase. Feathers and ribbons entice cats to play. Comes with removable suctions cups, so you can move the fun to the window. Keep the challenge going by moving the track higher on the window over time, to see how high cats can fly! Hunting Cat Toys help satisfy a cat's natural desire with kinder "prey."