Here’s the Dr. Who Sonic Screwdriver. It functions as a normal pen but comes with sounds and ultra-violet light. There’s a UV ink pen nib included for you to write your secret message and then be revealed with the UV light of the Sonic Screwdriver. Package also includes a Dr.Who notepad with 30 pages. You can pick up one of Dr. Who Sonic Screwdriver for $15. Check out how the UV light works after the jump.

[via UberReview]

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