Enjoy the mental challenge as you stack the colorful tube. Think, strategize and predict every move. HOW TO PLAY: • Just sort same color ball into same one bottle. • Tap any bottle to move the ball color line on top in the bottle to another bottle. • If you get really stuck, you can add a bottle to make it easier. FEATURES: • One finger control. • FREE & EASY TO PLAY. • NO penalties & time limits; you can enjoy this game at your own pace!