✍️ UV Invisible Ink Pen with Built-In UV Light

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✍️ UV Invisible Ink Pen with Built-In UV Light

Write your secrets in plain sight! The UV Invisible Ink Pen lets you draw or write messages that stay hidden until revealed by the built-in UV light. Perfect for marking valuables, creating secret notes, or testing UV-reactive materials.

⚙️ Features

• 💡 Built-in UV light – reveals invisible ink instantly

• 🖊️ Invisible ink – writes clearly under UV, invisible under normal light

• 🔋 Battery included – ready to use right out of the package

• 🎨 Fun & practical – great for security marking, crafts, and science experiments

• 🔍 Compact and portable – fits easily in a pocket, bag, or desk drawer

• 🧒 Safe for kids and adults – low-power UV LED and non-toxic ink

📏 Specifications

• Ink Type: Invisible UV-reactive ink

• Light Type: UV LED (built-in)

• Power: Battery included

• Barrel Style: Plastic pen with removable cap

• Ink Color (visible under UV): Blue-white glow

• Size: Approx. 13.5 cm length

💡 How to use:
1️⃣ Write or draw on any smooth surface.
2️⃣ Shine the UV light to reveal your message.
3️⃣ Have fun — your secret’s safe in plain sight!