It is not the first time we talk about a Dr. Who gadget, remember the Mobile Phone Chargers? I’m sure you do if you a fan of the series (like my brother).

Anyway, the Dr. Who Sonic Screwdiver comes with unusual features for a pen, such as sounds which are based on the doctor series and an ultra-violet light. Did I mention it also works as a normal pen?

You can use the regular pen nib to write shopping lists and the UV ink pen nib to write secret plans. These can then be revealed with the UV light of the Sonic Screwdriver.

Price: $13

PS – The package includes a Dr. Who notepad with 30 pages.

View an image of the ultra-violet light in action after the jump:

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