Your pup will have to wrestle and wrangle each block out of Nina Ottosson’s Dog Fighter to get a delicious reward. Place a treat in each block, and watch them having fun figuring out how to slide the blocks and pull them out, to unveil a piece of kibble or small treat. Bring the battle further uphill by adding pegs to stop the blocks. Every dog's a winner with Nina Ottosson by Outward Hound Games! Bring out the genius in your dog with our interactive, treat-seeking puzzles and exercise toys. Difficulty level 2 - Moderate. Perfect for your smarty pup.