This is the adjustable treat-dispensing ball I’ve been using to feed Bert dinner lately, and it’s been such a fun upgrade—especially for a 13.5-year-old who still loves learning new games. It untwists for easy filling, and you can adjust the openings to make it easier or harder so you can keep enrichment fun and not frustrating. I recommend choosing a size your dog can’t just pick up, since it’s meant to be pushed and rolled—not chewed.