Muda Lawal Market is Bauchi's central everyday market, busy with food, household goods, cloth, phone stalls, and the normal noise of a northern Nigerian trading centre. It is not a curated craft market, which is part of its value.
Go in daylight, keep valuables low-key, and treat it as a place to watch the city work rather than a place where you must buy anything. If you are new to Nigeria, a local companion makes the visit easier and more relaxed.