Buy one and make all kinds of miniature glowing pictures.
Mini-X Connect Lite Brite - Arts & Crafts for Ages 6 to 9 - Fat Brain Toys Toys. There's no end to the creative possibilities! Office & Desk Toys. Or, collect two, three, four, or more and set them side-by-side and one on top of the other to create bigger and bigger works of glowing art. Arts & Crafts.