Invisible Ink Spy Pen

Invisible Ink Spy Pen is a fantastic resource for Irish primary and secondary school classrooms. Designed to engage students while supporting key curriculum goals, it's perfect for teachers looking to add hands-on, engaging learning tools to their class. Use the invisible ink spy pen set to send secret messages to your friends! Use the invisible ink spy pen set to send secret messages to your friends. The invisible ink only shows up under the UV light on the pen cap. • Hide your writing with the invisible ink pen • Use the UV light on the pen lid to reveal your secret messages • 2 pens in each pack. One red, one black. • Requires 3x LR41 batteries (included, not replaceable) • Age: 3+ This product is ideal for group activities, early finishers, or as part of your classroom resources cupboard. Trusted by educators across Ireland.