Draw Line:Match Color Balls

Connect the balls of the same color together with your lines.
How to play?
1. Draw line to link the balls together
2. No two line segments can intersect
3. All the balls are linked, the game is won
What will you get by playing Draw Line: Match color balls?
1. Train your brain enough to keep it highly active
2. You will get smarter
I wish you a good time~