How to solve a 3 x 3 Rubik's Cube  A Rubik’s Cube is a popular 3D combination puzzle invented in 1974 by Ernő Rubik . It is made of small colored squares arranged on a cube. The most common version is the 3 × 3 × 3 cube , which has six colored sides. How it works Each side has 9 squares of the same color when solved. The rows and columns can be twisted and turned. The goal is to mix the colors and then return every side to a single color. Main Features Improves memory and concentration Develops problem-solving skills Enhances logical thinking and patienc Guidelines to solve the Rubik's Cube Step 1:  Put middle white at the base so that middle yellow is at the top