Attention: The museum will be closed 16 December 2022 at 1300 for the holiday season and will reopen 16 January 2023 at 1000. Online orders can still be placed through the Mercury Shop and will be shipped out once we return from holidays. The Mercury Shop will be completely closed to in-store and online from 9 to 13 January 2023 for inventory. Mercury Shop and C&E Museum hours are 1000 to 1530 Monday to Friday.
Attention: The museum will be closed 16 December 2022 at 1300 for the holiday season and will reopen 16 January 2023 at 1000. Online orders can still be placed through the Mercury Shop and will be shipped out once we return from holidays. The Mercury Shop will be completely closed to in-store and online from 9 to 13 January 2023 for inventory. Mercury Shop and C&E Museum hours are 1000 to 1530 Monday to Friday.
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Packaging for "I-Spy Invisiple Ink U.V. Light Spy-Pen." There are multiple pen's shown in the image and the pens are black with white tops.
GL-00090

I-Spy Invisible Ink Pen

Regular price $7.75 $0.00 Unit price per

This clever spy pen lets you write secret messages only revealed by the built in U.V. light! Perfect for any budding spy and great for party bags. Comes with a handy hook so you can keep it safely attached to a pad of paper.

Cost is per pen.