Spy science and ultraviolet technology combine to create six cool ultraviolet experiments using black light science. Conduct UV light experiments on different surfaces and textures! This nine piece set includes an ultraviolet laser, highlighter, UV sensitive putty (1. 45 oz. ), 3 sheets each of white and black paper. UV light batteries are inaccessible and non-replaceable. Recommended for age 5 years and up.
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