4*** Answer the questions. Write complete sentences.
Who invented the Rubik's Cube?
Ernö Rubik invented the Rubik's Cube.
1 How many people bought the Rubik's Cube?
2 What colours are in the cube?
3 When did Rubik first make the cube?
4 How do you play the Rubik's cube?
5 How do we know the Rubik's cube is
successful?
6 What does Ben want to do in the future?