The Whadda WSSA203 LED Bat kit. Bring the Halloween atmosphere into your home with this soldering kit in  the shape of a vampire bat. Watch your back, because the slightest  noise will cause the orange LEDs to light up!    This Halloween gadget  looks like a creepy bat and has a matte black colour with white coating.  The circuit board features 4 holes to give the bat claws, or to hang  the gadget.    This kit includes through-hole components and 12 orange  SMD LEDs. Ideal for those who want to start SMD soldering. Thanks to the  built-in microphone, the LEDs switch on when sound is heard. The  microphone sensitivity is adjustable with the potentiometer to scare the  others even more.