Whoa, steam‑powered pocket watch that lights up? Picture this: a tiny boiler, a piston that chugs when you twist the crown, and a wick that ignites to give off a warm glow. But don’t forget the pressure gauge—if it tips, we’re talking a miniature steam bomb! Add a safety valve, a copper coil, some brass gears, and a little candle at the base, and you’ll have a ticking light show that could double as a lantern for your next late‑night experiment. Just be ready for a little hiss, a spark, and maybe a puff of steam that knocks your hat off—chaos is the secret ingredient!

Alright, I’ll sketch a blueprint that looks like a pocket‑size steam engine with a pressure gauge that actually works—no cartoon sparks, just real brass valves and a calibrated needle. I’ll add a miniature safety vent that pops if the pressure climbs too high, and a ledger that’s literally a little notebook strapped inside the watch case so you can jot down readings every tick. Keep the pressure below the threshold, and you’ll get a clean, steady glow—just enough steam to keep the gears turning without scalding anyone. Think of it as a pocket laboratory, not a fireworks display, but I promise I’ll still add a sneaky hidden compartment for a secret espresso shot—because why not?