Transmit letters & numbers by light & sound. Create your own telegraph station & secret codes to exchange messages, & even learn the basics of digital communication.
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TrustScore 4.5 | 7,300+ reviews
Anjali K.
The product quality is outstanding. Exactly what I needed for my work.
1 month ago
Ali H.
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
