Drop the coins into the basket of matching colour. You have an
unlimited supply of coins.
Use Start to start with the easiest challenge.
Use Previous to go to an easier challenge.
Use Next to go to a harder challenge.
Use Reset to restart the current challenge.
Use Drop-list to select a challenges.
Use Slider to adjust the animation speed.
Insert coins as follows:
Click on the coin that you want to insert, or
Key-press a number (1 for a red coin 2 for a blue coin),
Key-press the left (red coin) and right (blue coin) arrow
You get a point for every coin dropped correctly. You lose one
point for a wrong coin. You win if you score 40 or more. You
lose if you insert 40 or more wrong coins.