Check the listing for details. Practice Board SMD/SMT Components Soldering Electronic Project kits DIY Solderin. Condition: New. Listed at 11.15 USD. 【SMD/SMT Components Soldering Practice Board】: Input voltage: DC5V. The positive pole is connected to +, and the negative pole is connected to -. After the SMD components are soldered, power on to form a running water lamp to detect the effect of the soldering. 【Great Soldering Science Project】: This soldering DIY kit help you understand the basics of working with printed circuit boards and become familiar with a variety of electronic components, and practice soldering skills enjoyably for you and your kids, or students, or DIYers. 【Easy to Assemble】: The connection that was clearly mapped and labeled on the board makes it easy to assemble. And you can refer the marks on PCB board to soldering each component. If it can't work after soldering, please contact us for support. Part Number: SMD Kit Item Weight: 1.13 ounces Product Dimensions: 7.4 x 4.33 x 0.78 inches Item model number: SMD Kit Size: SMD A Material: Metal Included Components: SMD Kit Batteries Included?: No Batteries Required?: No Size: SMD A Item Dimensions LxWxH: 7.4 x 4.33 x 0.78 inches Educational Objective: soldering skills On Jul 3, 2024 at 20:47:31 PDT, seller added the following information: