Here's a simple way to make x-ray decorations ...
Stuff you need ...
Good Quality Paper
Newspaper
Paintbrush
Olive Oil
What you do ...
Lay down the newspaper to protect your worksurface.
Dip your paintbrush into the olive oil.
Put a sheet of good quality paper onto the newspaper and draw a ‘bone ‘on it.
Then, put the sheet of paper up to a window and it should glow – just like a real x-ray!