
KONG Classic Dog Toy
All dog owners — the gold standard chew toy that doubles as a treat dispenser

Nina Ottosson Challenge Slider Interactive Treat Puzzle
Experienced puzzle dogs and owners who want the most challenging treat puzzle available
Score Comparison
Pricing & Features
Making Your Decision
When to Choose KONG Classic Dog Toy
All dog owners — the gold standard chew toy that doubles as a treat dispenser
The KONG Classic is the most versatile dog toy ever made — and that is not hyperbole. Its natural rubber construction survives power chewers, the fillable center turns it into a puzzle toy, and it comes in every size imaginable. At under $13, the price-to-durability ratio is unmatched. Every dog should own one.
Strengths
- Nearly indestructible natural rubber withstands even power chewers
- Fillable center provides hours of enrichment with treats, peanut butter, or kibble
- Available in six sizes from XS to XXL to fit any dog breed
Limitations
- Plain design may not excite dogs who prefer interactive or plush toys
- Unfilled KONG bounces unpredictably — not ideal for structured fetch
- Red classic version may stain light-colored carpets when stuffed
When to Choose Nina Ottosson Challenge Slider Interactive Treat Puzzle
Experienced puzzle dogs and owners who want the most challenging treat puzzle available
The Nina Ottosson Challenge Slider is the most mentally demanding toy in this comparison — the multi-step sliding and locking mechanisms require genuine problem-solving that Level 2 puzzles simply do not offer. For dogs who blow through simpler puzzles in minutes, this provides 20-45 minutes of focused engagement. The premium price is justified by the enrichment quality for dogs who need the challenge.
Strengths
- Level 3 advanced puzzle with multi-step sliding and locking mechanisms — the hardest in this comparison
- BPA, PVC, and phthalate-free composite material is food-safe and dishwasher-safe
- Multiple hidden compartments keep even experienced puzzle dogs challenged for 20-45 minutes
Limitations
- Expensive at $33 for a single puzzle toy
- One size only — too large for toy breeds and not durable enough for giant breed chewing
- Dogs who have mastered Level 2 puzzles may solve this faster than expected

