Soldering Practice Kit,3 Kits SMD SMT Weldering Skills Training Board

3 SETS of SUPER VALUE.From easy to difficult SMD components soldering practice kit, high challenge PCB SMD welding skills competition. Professional skills, complete this kit, need a certain professional knowledge base, practical training experience. High quality material, high-quality double-sided spray tin FR-4 circuit board, easy to solder, not easy to oxidize, contribute to success. Technical support, including component list, circuit diagram, principle description and finished product diagram. Super quantity components: there are many kinds of components, nearly 20 different kinds of electronic components. There are more than 1400 solder joints and more than 500 components. All kits are reliable in quality and printed clearly. 100% satisfied with the service.