I made these red lenses for my lamp a while ago and decided I needed more, so now I made green ones

Materials used:
- paper
- tape
- green marker

This is how they look:

They can just be put into the box things I made for the red ones, so if anyone's interested, they work the same exact way, so go read the chapter "Invention????".

This is the effect:

The desk is white and the pencil case is yellow normally btw

This is how the lamp looks without them:

With them:

With mixed lenses:

(left to right) green, red and both ^^

Green, red, green ^^

Yeah...
Might make more :D