Check the listing for details. Soldering Practice Board, 3 Set Electronics Kit Prototype PCB Board DIY , 5V. Condition: New. Listed at 20.99 USD. This soldering kit electronics practice board is a teaching beginner kit for people who want to improve the welding skills.The welding product is a beautiful water lamp circuit.Specification:Product:Electronic Production Teaching KitApplicable voltage: 5VPCB board size: 70*57*1.6mm/2.75*2.24*0.06inchEffect: rotating water lampPacking List: 3 Set DIY Electronic Experiments Teaching Kit(1Set List: 50 * 0805 resistor (22-510) Ω, 10 * 0805 (4.3-10k) resistor , 10 * 0603 resistor (10-20K), 20* 1206 resistor, 10 * 0805 capacitor ,10 * 0402 resistor , 5 * 0603 resistor, 10 * transistor, 4 * IC, 10 * LED(red) , 10 * diode ,1 * circuit board .)Advantage :1. The pcb board prototype kit is tinned, not easy to oxidize, high-strength fireproof, anti-drop material, can be disassembled and assembled repeatedly.