How much do you know? Check out what is true and what is false below (click the question mark to find out!) as Mr Dorsey, the best teacher in this universe, challenges you - what do you know?

The yo yo was invented by Yohuvio Helmever in Yugoslavia in 1857
Marbles wer first used by the Norwegians in 20 A.D
Marbles were made of fired clay in Egyptian times
Pool balls started out as black and white in colour and other colours were added in 1918
Some horses like to play with their equivalent of footballs - they are called horseballs
The longest distance a frisbee was thrown was 24 feet 5 inches
The largest bouncy ball ever to be made measured 50 feet in diameter
Parking signs were first used by Romans
The Durian fruit can grow as big as a man's head
The first pendulum clock was built in 1656