Round copper boilers spill pastel bath bombs and pink steam curls from their brass valves. Anyone can pull the lever straight away, and the free round builds pressure the longer it runs.
Copper Fizz Boilers is the boiler house Hortensia leaves unlocked, so its reels are fizzing before you have found your goggles. It runs at a middling pressure: rosebud twists and salt scoops keep small wins popping like bubbles on a vat, while the crowned rainbow bath bomb waits for the bonus. The Steam Dial wild swings its pink needle to match any picture bar the Heart Valve. Three valves hissing anywhere open Needle in the Pink with ten free spins, its boost climbing through the first four spins before it settles at x4; four valves set fifteen on the dial, five valves set twenty-two, and valves that hiss mid-round top it up.
Needle in the Pink. Free-spin wins are boosted x2 on the first and second spins, x3 on the third and fourth, then x4 from spin five until the round closes; the needle only ever climbs.
Every machine runs on free virtual coins. Nothing here is real-money gambling, no win has real-world value and there are no in-app purchases. A random number generator decides each result, and no spin is influenced by the one before.
Measured by running this page's own engine for 10,000,000 spins: coin RTP 94.6%, hit frequency 36.4%, free spins about once in 127 spins, a win of 10x your stake or more about once in 121 spins. Coin figures only — no money is staked or returned.
Arrive and the boiler house is already steaming, its hopper heaped with play coins. There is no form at the door and nothing to download.
Set a stake and pull the brass lever. The Steam Dial wild can stand in on a payline for every picture except the Heart Valve.
Three Heart Valves begin Needle in the Pink: ten free spins whose boost reads two, two, three and three on the gauge, then sits at four for every remaining spin.
Newcomers who want to try the works before taking a locker, and anybody who likes the boiler-house pace: middling, with a free round whose gauge only rises.
Paid spins hand back a steady patter of small amounts. In Needle in the Pink the gauge reads highest towards the end, so the biggest fizz tends to come late in the round.
| Symbol on the works reel | Five of it along a payline | The same win, as a share of your stake |
|---|---|---|
 Steam Dial (wild) | 5,000× line bet | 200× your stake |
 Rainbow Sovereign | 2,600× line bet | 104× your stake |
 Geode Fizzer | 1,400× line bet | 56× your stake |
 Pink Fizzer | 800× line bet | 32× your stake |
 Sea Salt Scoop | 550× line bet | 22× your stake |
 Rosebud Twist | 320× line bet | 12.8× your stake |
The five card ranks (10 to A) pay the least. Three Heart Valves anywhere open the free round. Full values for three and four of a kind are in the paytable.
No. The boilers are open to every visitor; only the wrapping loft and the canal arch ask for a free works locker.
Hortensia carries them upstairs and sets them beside the 100,000 coins that every new locker starts with.
They do. Every fresh trio of valves in the round adds spins, and the needle stays at whatever boost it had already climbed to.
Missions refresh each day, count on every machine and are entirely optional.
Up in the wrapping loft the folders have made a whole paper rooftop from offcuts, pinwheels turning on every chimney. The calmest world in the works, and a paid spin that lands empty gets a free second turn with its stars held.
On the works' lantern evening the canal footbridge is dressed in vermilion paper, carp streamers flying and a gilded crane landing on the span. A bold world of tumbling reels, and every win that follows another in the same spin is boosted.
Spin for fun, and down tools once it stops being fun. Pick a time limit before you start and take breaks. If any form of gambling is causing you problems, the National Gambling Helpline is free and confidential on 0808 8020 133, around the clock; you can also visit GamCare and BeGambleAware. More in our responsible play policy.
Lather Vat Works admits adults of 18 and over and nobody else. Each machine runs on virtual coins with no monetary value, and those coins can never be bought, sold, withdrawn or exchanged. You will not find a coin counter or a payment page anywhere in the works, no prize of real-world value is on offer, and doing well here does not imply future success at real-money gambling.
Gambling worries? Free, confidential help: National Gambling Helpline 0808 8020 133, answered day and night · BeGambleAware · GamCare · How the works keeps play in proportion
One hopper of coins feeds all three machines. A free works locker unlocks the loft and the bridge as well, and keeps your coins, favourites, level and daily missions safe on the shelf for next time.
Not ready? Spin the open world, Copper Fizz Boilers — no email needed.