Number Twins is the math game designed for the kids to help them learn number addition in a fun-packed way. There will be a grid of balls numbered from 1 to 9. You need to match the balls that add up to 10. A pair of balls can only be matched if they can be connected by a line that turns at most twice. If you can match the balls with a star on them, then you sort them by color. The faster you finish, the higher the score. Have fun!