Inside3 puzzles involve a ball and a blind labyrinth. The aim being to navigate the ball through the maze that you can’t actually see!
The Awful model in the Zero series is aptly named, it may be a struggle to get this one solved. The map on the front gives you guidance but this model has a lots dead ends and traps built into it.
You can take it apart to retrieve the ball if you get lost but that would be cheating!