35 pounds in a fun online banknotes puzzle.

The "British Pound Puzzle" is a free online knowledge level game, about the outlook of the Great Britain Pound banknotes, including five, ten and 20 pound bills.
It is a small square rotating puzzle for desktop computers, laptops and tablets, which may be played in the web browser. Align the squares to fit the banknotes picture.
The Economics Knowledge Board include 40 picture pieces of the pound to sort out.
Part of the Interactive Personal Finances educational tools.

This fun education game may answer some of the following questions:

1. How does 5 pound back and front banknote looks like?
2. How does 10 pound back and front banknote looks like?
3. How does 20 pound back and front banknote looks like?