Elenco  Yap Box Soldering Kit with Iron and Solder Hone your DIY soldering techniques on the Yap Box Soldering Ki Enjoy the pleasure of having assembled and soldered it yourself Use your completed kit for sound effects for your next video or theater event Have fun with several synthesized sounds: Laser Gun Siren, Puppy Bark, Diesel Horn, Wolf Whistle and Machine Gun Includes: PCB, electronic components, instruction and 25 watt soldering iron, stand and lead free, rosin core solder PCB measures 734mmX583mmX16mm Add this kit to your STEM curriculum From the company that brings you Snap Circuits - 9 volt battery not included