Red ball: Does nothing and gives you 10 score
Orange ball: Is smaller and is faster and it gives you 15 score
Yellow ball: is bigger and it gives you 5 score
Green ball: has gravity and it gives you 20 score
Blue ball: Gives you an extra life
Purple ball: gives you 20% of your score
Grey ball: makes you lose a life when touched
Black ball: makes you lose 3 lifes when touched