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Thames & Kosmos

Spy Labs Invisible Ink Pen and UV Light

Spy Labs Invisible Ink Pen and UV Light

Regular price $14.99
Regular price Sale price $14.99
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8 years & up

Exchange top secret info with your friends and fellow agents using this high-tech device. The pen uses a special ink that only becomes visible under ultraviolet light, like the one emitted by the flashlight on its opposite end. You can also use the UV light to find other objects and materials that glow.

  • 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

Spy Labs Incorporated: Detective and secret agent gear experts. Spy Labs provides young investigators with the devices, gadgets, and forensic materials they need to complete their missions.

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