Visual Indication

So I have started a new class in school entitled "Visual Indication". Basically we are learning how to use professional markers create presentations. I have found out that markers are not the easiest medium to use. Unlike pencils, they DON'T ERASE! Okay, okay, this should have been obvious.
So I started practicing with them and for my first assignment drew some objects that might be found in a witch's house. I still have allot of practice to go before I will be able to get good at coloring with these.
So here is the drawing---

Let me know what you think!