Spintronic Junction Value PackOverview Spintronic junctions allow the current to branch, just like an electrical junction of three wires. Each sprocket is one of the three paths for current. If you're looking to get extra parts, this is a good kit to get, since junctions are the most commonly used part in spintronic circuits. Detailed description These junctions use a planetary gear arrangement, where the top sprocket is the sun, the middle sprocket is the ring, and the bottom