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    GHOSTWRITERS INVISIBLE INK

    # CAIL020
    $14.99 Buy Now

    Often used to encode top-secret information, invisible ink has a long and interesting history dating back to 4th century BC. There are all kinds of ways to make and read invisible ink (like heat and lemon juice), but our Invisible Ink Thinking Putty® uses ultraviolet light to mimic blue ink on a sheet of green paper. Write with the Glow Charger® and watch with wonder as your words evaporate into thin air.

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    • Our Website: In Stock
    • San Juan Store: In Stock
      Guaynabo Store: In Stock
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    Local Pickup at Toys 2 Learn - Guaynabo: (Please allow 2 to 4 hours. We will call you when your order is ready.$0.00
    Local Pickup at Toys 2 Learn - San Juan: (Please allow 2 to 4 hours. We will call you when your order is ready.$0.00
    USPS$0.00Zip code required.
    Local Delivery to Metro Area (min $50 order): Metro Area (min $50 order)$5.00