The planet is surrounded by its outer ring.  The ball has rugged projections and the ring has interesting notches.  It is essentially a maze puzzle that is solved by rolling the sphere until you can separate it from the ring.  Then you can reassemble it to its attractive starting position. 

The Hanayama Cast Huzzle series provides puzzles for adults which are solved using a blend of inspiration and logic.  Enjoy the latest puzzle in the Cast puzzle / huzzle line!

Level 4 Difficulty 

Designed by Masui Ohno.