I ordered the DSO 138 Oscilloscope Kit from Banggood.com recently so that I could practice my SMD soldering. The kit has finally arrived and I put it together. Overall I must say that the quality is quite nice, there was one pre-soldered IC on the PCB and the LCD was mounted to a breakout board already. The instructions were quite straight forward, except for the SMD soldering part. Please note that you will need SMD soldering gear to assemble this kit.