The world's most famous puzzle of all time. Billions of combinations, only one solution. The Block's unique turning action and simple color concept make, resulting in confusion! The Rubiks_Cube continues to challenge young and old alike.The world's most famous puzzle of all time. Billions of combinations, only one solution. The Block's unique turning action and simple color concept make, resulting in confusion! The Rubiks_Cube continues to challenge young and old alike.The world's most famous puzzle of all time. Billions of combinations, only one solution. The Block's unique turning action and simple color concept make, resulting in confusion! The Rubiks_Cube continues to challenge young and old alike.The world's most famous puzzle of all time. Billions of combinations, only one solution. The Block's unique turning action and simple color concept make, resulting in confusion! The Rubiks_Cube continues to challenge young and old alike.