Like colourful buttons? You might like this display in which colourful buttons are placed carefully into a lightbulb, then resin put in, for permanent display.
(The light bulbs do not function as lights but as a display element.)
Step by step photos and design story over at:
http://confessionsofadesigngeek.com/heres-one-i-made-earlier-bright-as-a-button/