What is a blacklight potser?

Question:like what exactly do they look like?
are there black lights in them??

Best Answer - Chosen by Asker: like what exactly do they look like?
are there black lights in them??

no, it's a poster with Lot's of neon colors, and a psychedelic or "trippy" theme. popular in the 70's. when you shine a black light on it it glows.

http://www.enemies.com/black-light-poste...

It's a poster with lots of white and black fuzzy. The black light hits the white areas and makes it glow.