the Rubik's Cube:

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Across
  1. 4. - The Rubik's Cube has been popular worldwide since its introduction in the 1980s
  2. 5. - The goal of the Rubik's Cube is to solve it and return each face to a single color
  3. 9. - The Rubik's Cube is a permutation puzzle, with 43,252,003,274,489,856,000 possible combinations
  4. 10. - The Rubik's Cube is considered a classic retro toy
  5. 11. - The shape of the Rubik's Cube
Down
  1. 1. - The Rubik's Cube is often seen as a challenging puzzle to solve
  2. 2. - The Rubik's Cube is often referred to as a "twisty puzzle"
  3. 3. - Erno Rubik, the inventor of the Rubik's Cube
  4. 5. - The sport of solving the Rubik's Cube as quickly as possible
  5. 6. - The world record for solving the Rubik's Cube is under 4 seconds
  6. 7. - The action of twisting and turning the different sections of the Rubik's Cube
  7. 8. - The sequence of moves used to solve the Rubik's Cube
  8. 9. - The Rubik's Cube is a type of puzzle
  9. 11. - The six different colors of the Rubik's Cube faces
  10. 12. - The Rubik's Cube is said to be good for the brain and can improve spatial awareness and problem-solving skills.