Crazy Aaron's Thinking Putty -- Mystic Glacier  3.5" tin

Crazy Aaron's Thinking Putty -- Mystic Glacier 3.5" tin

  • $22.99
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This amazing UV reactive icy blue putty changes to purple-pink when exposed to a UV "black light".  You get a Blacklight Keychain to actually write on the reactive putty.  Crazy Aaron has invented a color changing putty that never dries out!  You get a huge handful of Thinking Putty in a round silver tin.