Let's draw some more potion folks. Halloween is exactly ten days away so we have to be prepared by making decorations and placing them all over the house. This is also a great tut to use for a science project at school when you need to draw some poison. But for now here is "how to draw poison potion", step by step. The green liquid floating around in the bottle is toxic, and hazardous to your health. We know witches use poison potions to make people sleep for eternity, to make people ugly, or to inject a toxic dose of fluid into an object to get even with someone or something. Have fun and remember that when coloring in your potion you can use any shade you like best.