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DIY Listener - Listen In On Secret Conversations! STEM Educational Science Kit To Make Your Own Real-Working Spy Listening Devic
$11.36
$5.00Save 56%
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- 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 want to amplify. 3 AAA batteries needed.
- New Idea Science Spy Gear: After plugging each electric block into the base and connecting the wires, turn on the switch, place the earbud into your ear, and point the microphone towards the sound source. Adjust the volume knob to hear secrets! This sound amplifier really works!
- Super Fun STEM Educational Kit: It is a creative science toy set for kids to learn how to connect the circuits and build a real working spy gadget. Colored wires and springs assist you build the sonic hearing device and learn the whole theory easily.
- Learn To Play, Play To Learn: The STEM building toy set promotes critical thinking, fine motor skills, and problem solving training. Put together take apart bionic ear also teaches kids logic concept and cause/effect. It is a great interactive toy kit that parents and kids can build together!
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