FREE USB heater with any qualifying engine See offer details
Designed & engineered in England

Engines that run from the heat of your hand.

Precision Stirling engines, machined in our own Maidenhead workshop. Every one guaranteed to run as advertised.

Since 2001First to sell an LTD Stirling engine
99% made in-houseCNC workshop in Maidenhead
Run guaranteeWe help until it runs as advertised
Tested & packed by usSafe arrival, every time

Featured products

New designs and customer favourites, all five-star engineering.

Gyroscopic Hand Spinner
★★★★★4.9 (13)

Gyroscopic Hand Spinner

A manually operated gyroscopic power ball in solid brass and stainless steel.

£45.00Buy now
NEWChaos Magnet Spinner
★★★★★4.8 (16)

Chaos Magnet Spinner

A finger-controlled lever drives six seedpod-shaped flyweights.

£44.00Buy now
NEWPod Spinner Desktop Fidget
★★★★★4.9 (11)

Pod Spinner Desktop Fidget

Lever, crank and six flyweights: a desk toy with real mechanical charm.

£44.00Buy now
Flame Pod
★★★★★5.0 (9)

Flame Pod

A Manson-Guise engine with a solid brass cylinder and pod-shaped spokes.

£164.99Buy now
OUT OF STOCKFlame Fly

Flame Fly

Our newest high temperature design. Back in stock soon.

£175.99View
Flame Pump
★★★★★5.0 (7)

Flame Pump

A gamma-configured engine that runs from a tiny candle flame.

£175.99Buy now
Flame Bug
★★★★★5.0 (7)

Flame Bug

A Flame Gulper engine with a unique insect-inspired design.

£199.99Buy now
NEWTensegrity Floating Loop
★★★★★4.8 (11)

Tensegrity Floating Loop

A gravity-defying structure of magnets and stainless steel wires.

£30.00Buy now
Vulcan stove fan
Vulcan stove fans

Silent warmth, no electricity.

Place a Vulcan on your wood burner and it spins up from the stove's own heat, moving warm air around the room.

  • Powered entirely by heat
  • Precision machined, built to last
  • Pre-order the new Vulcan Ultra: £152.00
Explore Vulcan fans

From CAD to your door

The whole process stays under one roof, so quality stays in our hands.

01

Design

Every product is designed and tested in-house with advanced 3D CAD software.

02

Manufacture

All parts are made and tested in our own fully equipped CNC engineering workshop.

03

Despatch

Tested, packed and despatched by us, giving full control over the whole process.

Need help choosing an engine?

Talk to the engineers who build them. We will help you find the right one, and help you keep it running.

Get in touch