Light up colors in the dark !
Cut some colorful gel papers in the same size of the box opening
The shortcut is to put a gel paper on top of the light source, this way, you can create a colorful light and place it directly in the space box.
But we will do something more intricate.
Use permanent marker and draw over the stenciled shapes
Cut the gel paper along your mark
Paste them over the stencil cutouts. I used scotch tape.
Use any color you feel fits with the cutout shape.
Step 7 :
This idea can apply to many themes.
Final Result :
The more colors, the more fun !