Invisible Pen/Ink Set (Bulk)

Put your detective skills to the test with these Magical Invisible Ink Pens! Perfect for secret messages, mystery-solving activities, and spy-themed adventures, these colorful pens let young detectives write hidden messages that can be revealed using the pen’s special light. A fantastic addition to your Mysteries Await summer reading program, these kits are ideal for secret agent activities, scavenger hunts, coded clues, and reading incentives. Give each participant their own kit and let the mysteries begin!

An affordable, engaging incentive for libraries looking to add a little mystery to their programming.  This is a great kit for the detective party activity in our manual for 2027.

Quantity: 24 pens per package
Pricing: Just $25.99 for 24 kits
Colors: Assorted bright colors
Features: Invisible ink with a built-in revealing light and a detective notebook