You don't have to be a wizard to make this a reality!
We have already taken care of everything:
Paints – here!
Brushes – here!
The canvas with a ready-made layout that you just need to paint – here!
All you have to do is spend some time and effort and you'll be done. Real magic outside of Hogwarts! Just don't tell the Muggles, they won't believe you anyway!