Introduction »COLOUR BALLS,SPECIAL BALLS»URANIUM BALLS,CUBES,PYRAMIDS » Uranium half ball dia. 100 mm
Half ball dia. 100 mm
These Uranium item contains about 1% Uranium which is added to the glass in the molten process. Because of the Uranium in the glass the marbles glow bright under Black Light also known as Ultraviolet Light (UV).
These cubes are completely safe to handle.
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