Chester 4x4x4 Axis Cube Illusion II (Outer Green + Inner Black, limited edition)
Brand : Calvin's puzzle
Color : (Outer Green + Inner Black)
Weight : about 140g
To solve the cube, you have to retain it to the original state. Not only to solve the outer 4x4x4 cube, and also the inner Axis Cube. It change shapes of inner Axis Cube, fun to solve.
High quality, good for collection or as gifts to friends/families.
Ref. : Axis Cube Illusion
https://twistypuzzles.com/forum/viewtopic.php?p=412035&hilit=Axis+Cube+Illusion#p412035
Enjoy !