







Make it a pair
Any 2 sets save 10%Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€108,00 Price with the 10% 2-set discount€97,20
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€94,00 Price with the 10% 2-set discount€84,60
Regular price€89,00 Price with the 10% 2-set discount€80,10
Regular price€84,00 Price with the 10% 2-set discount€75,60
Motorised L4 Vapor Engine
- Electric piston drive
- Engine sound module
- Vapour exhaust effect
- 4 speed switching
It runs, it smokes, and it makes the noise.
An inline-four built to perform in 931 pieces — switch it on and the electric pistons stroke through the bank while the sound module fills the room with engine note and the vapor unit breathes smoke through the polished exhaust. A four-speed switch changes ratios through visible electric gear linkage, all mounted on its own base with printed nameplate. Bronze cam covers over silver casing, braided lines across the head and a swept chrome header finish the 25.5 cm assembly.
- Electric piston movement across the inline-four bank
- Built-in sound effect module with engine note
- Vapor unit breathing smoke through the chrome exhaust
- Four-speed switching through visible electric gear linkage
- Battery box, motor, sound module and sprayer all included
- 931 pieces, 25.5 cm — display base with printed nameplate included
Delivered in the 24builds® Collector's Box. Everything an engine does, minus the fuel.
24builds® offers tracked & insured worldwide delivery for €9.99 per order through premium couriers such as FedEx, UPS, DHL and more.
Orders to EU/EEA, USA, Canada, Australia & New Zealand are all shipped within 5-10 working days.
Please note that in order for us to minimise delivery time and shipping costs, we replace any original boxes of the product with a smaller, more ergonomic and more secure packaging option.
Order cancellations
You’ll be able to cancel your order during the first 24 hours since purchased, and if hasn't entered transit.
Returns
Unopened merchandise may be returned for a full refund within 30 days of receipt of your order.
More info
Please see our Shipping Information page for more detailed shipping times by region.
Make it a pair
Any 2 sets save 10%Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€108,00 Price with the 10% 2-set discount€97,20
Regular price€92,00 Price with the 10% 2-set discount€82,80
Regular price€94,00 Price with the 10% 2-set discount€84,60
Regular price€89,00 Price with the 10% 2-set discount€80,10
Regular price€84,00 Price with the 10% 2-set discount€75,60


Inline, Boxer & Rotary collection
An inline-four that runs, sounds and smokes
Why you'll love it
Motion, sound and smoke in one engine
Engine note
A built-in sound module plays the engine note.
Vapour exhaust
A vapour unit breathes smoke through the chrome exhaust.
Four-speed switch
Change ratios through visible electric gear linkage.
Watch the build
The ultimate assembly experience
Every detail of our assembly experience is designed for a premium build, making every step as special as the model itself.

Four cylinders, full performance

Pistons, sound and smoke

Change gear on the bench
Model specifications


931
Intermediate
4–6
25.5 x 19 x 20.7 cm
10 x 7.5 x 8.1 in
Xinzhuan
24builds® Collector's Box
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