Spy Labs Tin: Secret Message Tools

thames & kosmos
$12.99
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Exchange confidential messages with 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.
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Ages: 8+
Experiments: 4
Piece Count: 5
Manual Pages: 8 pages
Product Dimensions: 4.3 x 2.9 x 1.2 in 

Includes:

  • 2 secret pens (one for writing invisible messages, one for revealing them)

  • A brush

  • A petri dish

  • A notepad

  • An instruction manual with tips and information