Our level 3 Dog Twister puzzle dog toy is designed for advanced levels of problem-solving play that challenge your dog with learning sequential steps. A fun way for your smart pups to train their brain while redirecting destructive or negative behavior in an exciting way! Simply SLIDE, PULL, & LOCK TO HIDE TREATS. Place the treats underneath the triangular block compartments and push in the white plastic tabs to lock the blocks in place. Your dog will have to lift the tabs sequentially to unlock the blocks and move them to reveal the treats!