From the Manufacturer
Practical Soldering Project Kit - This solder practice project will help you achieve good soldering techniques, help you become familiar with a variety of electronic components, and provide you with a completed unit that will produce the fun sound of the two tone European siren. This kit is an example of a multivibrator circuit. Working with printed circuit boards is in the future of every electronic technician. Almost every electronic device today has a printed circuit board and whether you are assembling a PC board or repairing it, you must understand the basics of working with these boards. Requires one 9V Battery. Made in the United States
This is a beginner's project specifically designed to teach you the fundamentals of soldering and working with printed circuit boards. Like any skill, good soldering requires practice as well as an understanding of the principles involved. You will become familiar with PC boards, the how's and why's of soldering, components, component installation, and troubleshooting soldering problems (including solder bridges!). Project runs on a standard 9VDC battery, not included.