Filled Glass 3 Portals

Filled Glass 3 Portals is a 2D skill-based puzzle game with 30 levels. The goal in each is to fill a glass with a colored balls. Before that yet, there is need to use a portal that transform white balls into balls of various colors. The last thing is timing - there is need to avoid wasting - you must generate only exact number of balls that will fill the glass. Have fun.