Spy Labs Secret Message Tools by Thames and Kosmos

Exchange secret message using the special pens in the Spy Labs Secret Message Tools by Thames and Kosmos. Confidential messages are kept secure between you and your  fellow agent using disappearing and reappearing ink that only the two of you can read! Using either of the two secret pens, you can write a message that, once dry, becomes invisible. The other pen will not only reveal the information, but you can also use it to send your reply.

• Use the special invisible ink pens to write top secret letters
• One pen writes in invisible ink, second pen makes the writing visible
• Includes tips and tricks for writing other secret communications
• Packed in durable metal tin

Educational Benefits:

• encourages writing
• develops letter writing skills
• encourages reading for information
• develops social skills

Dimensions of tin approx: 11 x 7.8 x 3.2 cm