Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Email [email protected]
Item #: PEN-125 

Price: $7.95

Temporarily out of stock; call for availability.

Mark unknown samples in the laboratory using invisible ink.

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Product Details

With two or more Spy Pens, secret messages can be sent between friends! This incredible pen writes with invisible ink. Reveal the hidden message with the pen's special ultraviolet light. Use this pen to mark unknown samples for students in the laboratory. Batteries included and replaceable. This item was quick to become one of our most popular... everyone we've shown it to wants one!
Style and color may vary.