Spy X - DIY Spy Listener

Description

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.