It checks today's price at every store, compares the alternatives and answers in about a minute.
The Challenge Slider is a Level 2 intermediate treat puzzle from Outward Hound's Nina Ottosson line. Eight hidden compartments sit under sliding tiles, so a dog has to move tiles one at a time to reach treats, kibble or wet food. It suits dogs that have already solved beginner puzzles and need a harder problem, and it doubles as a slow feeder at mealtime. Compared with simpler flip-and-slide puzzles, it asks for more steps per reward, which is why some owners of less determined dogs find it too hard at first.
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Ratings are middling. Owners who use it with experienced puzzle dogs like the extra steps and the slow-feeding use, while others report that tiles jam or that their dog loses interest.
The Outward Hound by Nina Ottosson Challenge Slider is a Level 2 Intermediate treat puzzle for dogs. It is made for dogs that have mastered Level 1 or beginner puzzles. The toy has 8 hidden compartments, and the dog slides the tiles one at a time to find the rewards.
It works with treats, kibble or wet food. It can also be used as a puzzle feeder at mealtime to help slow down fast eaters. The puzzle taps into a dog's natural foraging instincts and is meant to reduce boredom and give mental stimulation. Fifteen minutes with the Challenge Slider is said to equal roughly 30 minutes of physical exercise.
The toy is made from food-safe materials that are free of BPA, PVC, lead and phthalates. It is easy to clean and dishwasher safe on the top rack only.












