Dogs must first learn to rotate the top spinner to unlock the three treat covers. Once unlocked, the dog must then figure out how to lift the covers to expose the treats.
9" x 10" x 5"
My dog pushes the red part around just enough so she can grab it and flip it upside down so everything falls out. If I tighten the screw on the bottom to make it harder to turn the red part, she just starts to chew on it.