Uncover a hidden world that's invisible in normal light with Nancy B's Science Club Black Light Illuminator & Nature's Mysteries Journal. Using the black light and invisible ink pen, complete science-sleuthing activities such as observing rocks, insects, and flowers that glow under black light, making gelatin that glows, counterfeit money detection, encrypting codes and ciphers, and more. Includes a 22-page activity journal and black light illuminator invisible ink pen to write secret messages, too! Requires 2 AA batteries (not included). Recommended for 1 player, ages 8 and up. Made in China. Package dimensions: 10.000 x 9.250 x 2.500 inches. Includes Black Light with 3 LEDs, Invisible Ink Pen, 22-Page Journal of Activities. Requires 2 AA batteries (not included). Wipe clean with dry or damp cloth. WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years of age.

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