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Editorial Review
Create your own crystal geode - a round rock containing a crystal-filled cavity. First, cast a plaster geode shell in the mold 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. Display your beautiful specimen day and night! Learn about how crystals form and why the pigment glows under ultraviolet light.

Features
1) Create your own crystal geode - a round rock containing a crystal-filled cavity
2) Contains a glow-in-the-dark pigment
3) Includes an ultraviolet flashlight, holder and stand for your beautiful crystal geode
4) Discover the science of growing crystals and glowing substances
5) Ages 8+, 16 page full color manual and experiment guide

Specification
Binding : Toy
Brand : Geek & Co. Science!
Color : white
EAN : 0814743011892
Genre : Educational
Label : Thames & Kosmos
Manufacturer : Thames & Kosmos
ManufacturerMaximumAge : 15.00 years
Model : 550022
PackageDimensions_Weight : 0.45 pounds
PackageDimensions : L:11.00 X W:8.70 X H:2.60
ProductGroup : Toy
ProductTypeName : TOYS_AND_GAMES
Publisher : Thames & Kosmos
Studio : Thames & Kosmos
Title : Geek & Co. Science Glowing Crystal Geode