01NOVELTY GIFTS
Secrets revealed under the cap
A discreet tool for the curious, this set turns ordinary writing into a game of detection. The black plastic bodies hold a surprise within their caps, waiting to be activated.
Designed for short-term tattoos, labelled belongings or surprise gifts, these pens suit anyone who enjoys a touch of mystery in daily life.
02MECHANISM
Light hidden inside the cap
Each pen features a UV light source housed directly in the cap. Powered by three button batteries, the device requires no external equipment to reveal your writing. Simply twist the cap onto the tip and illuminate the area to see the message appear clearly against the background.
04PRACTICALITY
Compact and portable design
Measuring approximately 13 cm in length, each pen is slender enough to fit in a pocket or pencil case. The set includes four units in distinct colours—red, yellow, blue and green—allowing users to code different types of secrets or simply choose their preferred hue for the occasion.
AT A GLANCE
The key points
- Plastic pen holder with three button batteries
- UV light installed in the cap to reveal ink
- Pen length approximately 13 cm
- Ink works on paper, T-shirts, skin and surfaces
- Pack of four pens in red, yellow, blue, green
About this product
Spy Pen – The ink is invisible after you write with it,unless you light on the cap blacklight to see the secret message perfectly. Easy and convenient usage – The secret pens have the UV light installed in the cap. Just plug in insulating sheet, the spy pen for kids can be reserved for a long time. Invisible Ink Pen – Harmless and flavorless ink,healthy toys for your children!Smooth and colorful disappearing inks on T-Shirts,paper,skin and any surface!Permanent but washable! Permanent Fun – Kids love detective espionage games with these secret pens. Invisible pen brings you a variety of fun activities such as treasure hunting. Batteries Installed. Please BE CARE small items:Children above 3 years.
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