advanced dog puzzles
here are some of the most fun, challenging, sturdy and highly-rated dog puzzles at each difficulty level for your perusal. many of the level 1 puzzles are balls that contain a number of treats and require that your dog push the ball until an opening in the ball releases the treat. it might require sliding one part of the puzzle to find the treat, and stomping on another part to get the treat, for example. additionally, of course, you can …