Best V12 Engine Model Kits and Models

The V12s Side by Side

Figures for the TECHING, ENJOMOR, RUIFEIYA and electromagnetic models come from the product data of Stirlingkit and Enginediy, checked on September 30, 2026. The brick kit was confirmed by its Amazon listing title; Amazon prices change daily, so the live price is on its card. A dash means the seller does not state the figure.

What Makes a V12 a V12

A V12 has twelve cylinders in two banks of six, set in a V above a single crankshaft, most often 60 degrees apart. Each bank of six is naturally balanced on its own, which is why a V12 runs so smoothly: the vibrations of one piston are cancelled by another. That smoothness, and the sheer number of power strokes per turn of the crankshaft, is what made the V12 the engine of luxury cars, supercars and the great piston aircraft of the Second World War.

On a model, a V12 is two things at once: longer than a V8, and far busier. With an open or transparent model you watch twelve pistons rising and falling in a rippling sequence along both banks, which no other engine layout matches.

Three Ways a V12 Model Moves

A motor turns the crankshaft. The TECHING and the brick kit are display models. A battery and electric motor drive the crankshaft, and the pistons follow. Nothing burns, and nothing inside the cylinders pushes. The TECHING adds engine sound that follows the throttle knob.

Electromagnets push the pistons. The two solenoid V12s work the other way round, like a real engine: the force is applied to each piston, and the pistons turn the crankshaft. Instead of a fuel charge, an electromagnet in each cylinder pushes and pulls a magnet, switched in sequence. It is still electric, but it is the pistons doing the work.

Petrol burns in the cylinders. The ENJOMOR and RUIFEIYA are real four-stroke internal combustion engines, with spark plugs, carburettors, water cooling and oil pumps. They start, idle, rev and make power. They also need fuel, oil, a big battery, ventilation and some mechanical skill, and they cost from about $3,300.

Choosing a V12

Under $200. The acrylic electromagnetic V12 at $179 runs from USB, and you can see everything happening inside it. The brick kit sits in the Amazon price range and gives you the longest build.

The V12 to build. The TECHING DM108 at $1,099: 800+ metal parts and more than six hours of work, rated 16+. It runs only about 20 minutes per charge, so it is a model to switch on and show rather than leave running. For the rest of the range, see TECHING engine model kits: every model compared.

Small and different. The metal solenoid V12 at $449 is palm-sized and shows a way of driving an engine most people have never seen. Plan on buying the battery and, if you want speed control, a brushless ESC separately.

A V12 that really runs. The ENJOMOR GS-V12 is the realistic choice at $3,299 for the engine, and more once you add the starter kit and cooling. The RUIFEIYA V12-180 is two and a half times the displacement at more than three times the price, with the accessories included and only 20 units made.

Before You Buy a Petrol V12

The engine price is rarely the whole price. For the ENJOMOR, the retailer lists what else the engine needs: two CDI igniters on a 10–12V supply, an 80A speed controller for the starter on a 24V (6S) battery, a fuel tank and line, a radiator fan and a water pipe. The starter-kit bundles cover part of that; check what each bundle contains before you order.

Both engines are real internal combustion engines with petrol, exhaust gas, heat, noise and parts turning at up to 10,000 rpm or more. Run them outdoors or somewhere with serious ventilation, and read our guide to running a miniature IC engine first.

More Engines in This Family

• V8s to build: best V8 engine model kits, from a $49 wooden kit to TECHING's metal V8.
• V8s that run on petrol: mini V8 engines that run on gas, including ENJOMOR's V8.
• Brick-built engines of every kind: best building block engine kits.
• Every kit we cover, in one searchable table: the model engine kit database.

What We Could Not Verify

We have not built or run these V12s. Every specification comes from the retailers' product data:

• Power and rpm figures for the ENJOMOR and RUIFEIYA are the makers' own and are not independently measured.
• The RUIFEIYA V12-180 was listed as in stock on September 30, 2026, with shipping starting in late September and a limit of 20 units. Its product page mentions a $9,999 launch price, but the price at checkout was $10,999.
• The metal solenoid V12's listing does not say whether a battery or speed controller is included.
• The acrylic electromagnetic V12's listing gives both 5V USB and 6V as its supply; it comes with its own power supply either way.
• The brick kit was confirmed by its Amazon title; we could not read its build time or size.
• The ENJOMOR GS-V12 listing at Stirlingkit still carries pre-order text from an earlier batch, so we link to Enginediy, which sells the new version in stock, alone or with a starter kit.