Spy X - DIY Spy Listener

SpyX's signature acoustic secret agent device is fun for your child to play with.

You can build your own listening device to spy.

The spy kit includes microphone, battery unit, volume button, listening unit, on/off switch and earphone.

After each electrical block is connected to the base and wires are connected, turn on the switch, place the earphone on your ear, and point the microphone toward the sound source.

Develop children's skills and provide fun play for your child.

Adjust the volume knob to hear the secrets.

Colorful wires and springs help you build your acoustic hearing aid and learn all the theories easily.

Item dimensions are 5 x 4 x 3.4 inches.