My Cat Lenni likes to play with Catit Design Senses Super Roller .Lenni plays with it every day.Ball can be pushed through the large openings.With the Catit Design Senses Tempo game track, the cat sees, hears and feels how speed takes on a new meaning. The raised rails offer a fast-paced, exciting roller coaster element and the movable, illuminated ball ensures fun and games during the day and at night. - Thanks to the raised play rail with a view hole design, the cat can see, hunt and push the ball. - The glowing ball pulls the cat's attention to themselves for fun and games during the day and at night.