Thames & Kosmos - T550022 | Geek & Co. Science: Glowing Crystal Geode Science Kit Brand_Crayola  Kit makes 1 poster

 Kit makes 1 poster

Avoid surprise attacks with the Soldiers’ Patrol Boat

There are also salt and pepper shakers

you simply do your puzzle on the felt sheet

Four unique positions offer something for every stage

Thames & Kosmos - T550022 | Geek & Co. Science: Glowing Crystal Geode Science Kit Brand_Crayola  Kit makes 1 posterCreate your own crystal geode a round rock containing a crystal filled cavity. First, cast a plaster geode shell in the mould and then fill it with a crystal growing alum salt solution. The crystal solution contains an ultraviolet luminous pigment that gets incorporated into the crystals as they form, resulting in a geode that glows in ultraviolet light. An ultraviolet flashlight with holder, as well as a display stand for the geode, are included.