This puzzle is commercially available and is also known as the 2x2x2 Cube.
Java Applet Instructions
The Green Flag resets the puzzle.
Pressing the Spacebar scrambles the puzzle.
To turn one of the sides by 90 degrees, click on the face with the appropriate arrow.
The two pictures in the top left and top right corner
show mirror images of the hidden faces of the back side and right side of the cube.
To solve the cube, you have to get the top side yellow,
the left side blue and the front side red. (The green right side,
orange back side, and the white bottom are invisible.)
When you have solved the puzzle, your time taken is displayed
for 5 seconds.