SpyX

SpyX Spy Listener (STEM Series)

Unique Spy Toy Set For kids/Teens: The SpyX DIY kit shows the science behind the spy gadgets. A ...

Unique Spy Toy Set For kids/Teens: The SpyX DIY kit shows the science behind the spy gadgets. A cool scientific toy that you can build your own spy listening device! You will be surprised that how clear the secret chat you hear! Train yourself the smartest secret agent! Sound Amplifier Device Building Kit: The DIY spy kit includes a microphones, a battery module, a volume knob, a listen module, an on/off switch, and a earbud. Adjust the microphone toward the direction of the conversation you...