Ohm's Law is a formula used to calculate the relationship between voltage, current, and resistance in a circuit. This soldering practice kit is extremely simple, making it perfect for children and electronics beginners to practice soldering. Practice soldering and learn about electronics. The DIY soldering kit is designed to enhance users' electronics knowledge and soldering skills, making your life better! Packaged as a DIY kit. Assembly required., Weight: 0.03086471668 Pounds, Manufacturer: Aboiled