Helicopter Cube 4x4 Carbon fiber is a kind

Carbon fiber is a kind of special textured stickers in black applied on a stickerless cube give it a reverse color scheme like a phantom look

adding to its challenge

same design concept as Meffert's venus pillow cube

This is a high quality Megaminx with curvy cutting

Dimension 4x4 or CiYuan 4x4 is a  Stickerless 4x4 with square frame on every face of every edges

Helicopter Cube 4x4 Carbon fiber is a kindHelicopter cube is an edge turning puzzle and has a interesting twist to it as the cube the pieces can jumble when 2 adjacent edges are turned at a certain angle. The puzzle was invented by Adam Cowan in 2006. Independent from Adam Cowan, another famous inventor Katsuhiko Okamoto created his own variant of this puzzle under the name "Bevel Cube". This is the Japanese color scheme version of the puzzle