Happy Water Sort

Nourishment and brain, but also help ease stress
Easy and fun color classification game
rule:
Click the test tube, pour the liquid or sand in the test tube, fill the test tube with the same color liquid to pass the level
1. Only liquids of the same color can be poured into the test tube each other
2. Reset the level at any time
Features:
-Simple style
-No penalty time
-Personalized game theme
-Touch control easy to use
-No need to network, play anytime, anywhere
-Carefully designed more than 500 levels
All the cards are free and can be unlocked without any operation