The suction cup base lets you attach the toy to any smooth surface - you can install it on the kitchen floor, in the bathroom, attach it to the walls, furniture. Even to glass surfaces or upside down. Adding a little water to the cup will increase the adhesion.
To uninstall it, you just remove it - without harming the surface it was attached to. This option will let you keep your cat busy and never bored , as it will find the toy in different, surprising places.