Toto has tons of toys, including a Kong. She will play with a favorite for a few days and then switch to another. I pick them all up and pile them in her toy basket and sometimes when we are all settled in for the night, she looks as though she is thinking about something ... she will suddenly run to her basket and frantically dig around like she is looking for a certain toy!! Sometimes she digs for several minutes, tossing toys aside until she finds an old favorite and she excitedly runs to one of us and we have to play!!! So even if she looses interest, we know eventually she will get back around to it!