plastic ball can be screwed open and filled with catnip or a rattle non-slip due to rubber feet with removable scratching cardboard (item no. 41415-10) additional balls can be used, e.g. item nos. 4109, 4521 and 45567 plastic/scratching cardboard
plastic ball can be screwed open and filled with catnip or a rattle non-slip due to rubber feet with removable scratching cardboard (item no. 41415-10) additional balls can be used, e.g. item nos. 4109, 4521 and 45567 plastic/scratching cardboard