The Elenco SP-3B Practical Soldering and Parts Kit teaches soldering and desoldering techniques and component identification. Elenco Electronics is proud to present another superb solder practice kit designed to meet the ever increasing demands on proper soldering procedures. Some of the features of this kit are as follows: Identifying components. Color code reading exercises, resistors, capacitors, and inductors. Includes color code calculator. 163 solder points, standard soldering connections, close-tolerance soldering, and tack soldering. Desoldering exercise. Evaluation exam of performed soldering connections. Written & visual. Complete voltage and resistance analysis of circuit.