Make rainbows with the geode - portable style! The sticker has a special rainbow pattern to it so when the sun shines through it, it creates rainbows. Mounted in a 6.5" plastic frame between two pieces of 4" glass, you can move your geode sticker with the sun to have rainbows anywhere.
 
Dimensions:
Sticker: 4"wide, 2.5"tall
Frame: 6.5"W
Glass: 4"W