My 6-month-old bernedoodle puppy absolutely loves the game. He was a bit unsure about interacting with it for the first couple days but after some demonstration and encouragement he became super enthusiastic about it. It takes him about 15 minutes to eat a meal now (on level 2) and his digestion has improved significantly. The only note of caution I have is that the top half can come unscrewed depending on how much the dog makes it spin while pawing at it. Best to use with supervision.