Description

As a detective, it is crucial to have the right tools for finding evidence and decoding secret messages. The Spy Labs: Invisible Ink Pen and UV Light from Thames & Kosmos is a must-have for any aspiring detective.

Features:

• 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 a durable metal tin for safekeeping

Specifications:

• Recommended for ages 8 years and older
• Includes 3 exciting experiments
• Comes with 4 essential pieces
• Includes an 8-page manual for detailed instructions