Challenge Yourself With Brainstring’S R Brainteaser Puzzle And Enjoy Working Your Way Through Puzzle Action That Seems Easy At First But Will Test Your Skills In A Great Way Over Time. The R Brainteaser Puzzle Calls On You To Untangle The Knot In The Middle, Leaving No Strings Touching At All! Once Completed, You’Ve Mastered The Puzzle That Time. But, There’S More Fun To Be Had. Try As Many Times As You Want To Complete This Fun Logic Puzzle. With Every Attempt, You Get A New Challenge And An Entirely Different Game. This Means With One Puzzle, There’S Hours Of Enjoyment To Be Had. Work The R Brainteaser Puzzle Whenever You Want To Exercise Your Brain A Bit Or When You Have Some Free Time. This Puzzle Is A Great Game To Carry With You On Public Transit Commuting Trips Or When You Travel. Simply Pull Out The Puzzle, And Start Rotating The Ball Horizontally And Vertically To Find The One Solution.