Train your mouse precision (flash game here)

At first you might think this is too eassy and you wont learn anything, but be creative try bundle the bubbles together and hen pop them!
It becomes quite a challenge when things speeds up!
Specially new players to mobas, or should i say "not hardcore" players can learn quite alot by doing simple things like this.
Its quite a classic to see people lose sight of their cursor when a fight begins, or even worse, lose sight of his character in a fight.

http://littletavern.forump.net/h6-blobression