Elenco Christmas Tree Soldering Kit with Iron and Solder Hone your DIY soldering techniques on the Elenco Christmas Tree Soldering Kit Enjoy the pleasure of having assembled and soldered it yourself Brighten up your desk while listening to 3 classic Christmas songs after you have completed this D-I-Y soldering kit with the flashing LEDs Plays 3 Christmas songs while cheerfully blinking away Includes: PCB, electronic components, instruction and 25 watt soldering iron, stand and lead free, rosin core solder PCB measures 1262mmX104mmX16mm Add this kit to your STEM curriculum - From the company that brings you Snap Circuits - 9 volt battery not included