Spy Labs: Secret Message Tools

A2Z Science & Toys Verified independent store

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As a detective, you need the right equipment for your investigations, including tools for writing and uncovering secret messages. Exchange confidential messages with your fellow ag ent 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 messages 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 Show more