Cast Square - Game Rank 6
This puzzle can be assembled into three different color combinations. Beware this puzzle is complicated by internal mechanics.
Cast Spiral - Game Rank 5
The five pieces slides past each other vertically, keep in mind some are identical and some are not.
Cast Equa - Game Rank 5
The two semi circles can be separated and removed from the frame.
Cast H&H - Game Rank 5
Hanayama’s newest cast. Separate the two pieces; they have more degrees of freedom than it first appears.
Game Rank 5
Twist the three rings apart and then back into the solid shape.