4 Square Sudoku

The perfect stimulation for your intelligent pup!! It's been stated for your pet, that 15 minutes of mental stimulation with employment of interactive game, equivalates to 1 hour of physical exercise. This is especially important for dogs with busy parents who don't always get as much exercise as they should. 

The movable tiles are made of polypropylene, which has been certified as suitable for contact with edibles.  Please make sure that your pet never plays a game unsupervised since it is an interactive puzzle designed for sharing quality time between the human and their dog.