You are the one who is tasked with making the glass filled with colored water. To do so, you must use a pencil to draw the path that the water will take, avoiding all the obstacles that may stand in your way. 

The challenge is not easy, as you will have to pay attention to all the details. In addition, the path you draw will have to be precise and correct to ensure that you succeed in your mission. 

If you are able to complete your task, you will be rewarded with an animation that will give you a sense of satisfaction.