I absolutely love the Kongs. It keeps my dogs busy for awhile so i can get stuff done and not worry about catering to them. They love all the different things i load in there including PB, yogurt, treats, and scrambled eggs are their favorite things to get. They love them frozen too. I never thought i would find a toy every dog comes into my house would love ( i have two dogs and also foster dogs). My one dog (a pitbull mix) can rip apart the extreme kong if i dont pick it up as soon as its empty. But it does last pretty good. The only little dissappointment i had was that she can rip them… read full review »