Search 'N' Sniff is suitable for all dogs young, old, blind, deaf,or three-legged! This is great for dogs with hip issues, older dogs, shy dogs or reactive dogs, as each sniffing run is done individually. All dogs love sniffing, in fact it is their strongest sense. When dogs sniff it helps them relax and they learn to problem solve. Search N Sniff helps your dog gain confidence and independence and the soothing effects of sniffing + the brain processing required helps wears them out without lots of physical exercise. It is a powerful tool for soothing a hyperactive dog, increasing confidence in an adopted dog or a dog with mobility issues that can't exercise a lot.