KAPPA Sudoku Puzzles Book (2 Volumes/Books) Digest Size
- Sudoku 3x3 to increase the intelligence of the kids,to release the working pressure of the adults,to help prevent a decline in memory of the elderly.Suitable for beginner and professional player.Enjoy hours of fun with you family and friends.
- Great corner cutting ,Tension adjustable.It doesn't corner twist as often nor does it lock up.Difficult to pop,good control of the cube, comes pre-lubricated and tensioned.Definitely a good choice for you to improve personal record in competitions.This cube can be used for international competitions.
- It is a classic colour-matching puzzle in which the colour shift making it look like a mess, but once you solve it, it magically becomes perfect cube again. Improved Anti-pop Technology and Structure for Extremely Fast and Smooth Cornering.
- No one falls out of love with the 3x3 cubes..