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
Rajesh P.
Customer service was outstanding when I had questions about the product.
2 days ago
Pooja R.
The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.
