Hungarian artist Bogi Fabian makes beautiful works of art that you can only truly appreciate under a black-light. To the unsuspecting person they are just entering a plain white room, but turn the regular lights down, and the UV lights up and her masterpieces come to life.
This other painting is more traditional while in normal light, but comes alive under UV:
She doesn’t limit herself to two dimensional walls either, she works on ceramics, and body art.
It’s all pretty cool, black lights are unique, I think it would be a cool accent to put on children’s rooms, especially at Dr’s Offices and hospitals, I bet it would cheer them up.