Mess up with the Number Balls and see how great your math skill is! This is an educational game arriving at MSN Free Games collection already. There will be lots of balls that have various numbers, from small to big, from minus to plus. And your mission is to click on them in ascending order so that you can move to another level. You might get confused and hard to concentrate because these balls always move. However, keep focusing and perform your keen eyes to beat off the challenges. Play more kids games now!