Uncover secrets like a real undercover agent with the Spy Labs Invisible Ink Pen & UV Light! Write hidden messages using the special invisible ink pen, then reveal them with the attached UV light. Perfect for exchanging secret notes, solving mysteries, or adding a spy twist to everyday writing. This compact tool is a must-have for young spies, encouraging creativity and curiosity. Ages 8 and up.
- Write and decipher invisible secret messages and correspondence
- Use the UV-ink pen to write invisible messages and then reveal them with the UV flashlight
- Explore other UV-reactive substances like the security features on banknotes
- Packed in durable metal tin
