Elenco  Digital Bird Soldering Kit with Iron and Solder Hone your DIY soldering techniques on the Digital Bird Soldering Kit Enjoy the pleasure of having assembled and soldered it yourself Use your completed kit for sound effects for your next video or theater event Produces random, changeable bird whistles from out-of-this-world birds Includes: PCB, electronic components, instruction and 25 watt soldering iron, stand and lead free, rosin core solder PCB measures 635mmX508mmX16mm Add this kit to your STEM curriculum From the company that brings you Snap Circuits - 9 volt battery not included