Train your brain with the Happy glass brain puzzle! Find the best way to complete each level. Draw a line from the water faucet to the cup to fill it up! You can use your own creative way to do it. If you get stuck, click the hint button on the top and get some help!

Features:
* Draw lines to complete the puzzle
* Its a simple, fun, and addictive logic puzzle
* Many levels to keep you busy 
* Relaxing and fun!