Classic Flat-Four Engine
Delivered in the 24builds® Collector's Box with a premium instruction booklet
868 Pieces
Numbered part bags
Printed manual included
Collector's box includedFlat, simple and impossible to kill.
The air-cooled four-cylinder that outlived every trend — 868 pieces in chrome, with the pistons firing outwards from both sides instead of upwards, a chain drive running the length of the engine, and red lighting that switches on with a single button. The layout that stayed flat while everything else grew tall.
- Four cylinders lying flat, firing outwards from both sides
- Chain drive visible along the engine
- Red lighting with one-button start
- Chrome finish throughout
- 868 pieces, 28.8 cm — printed manual included
Delivered in the 24builds® Collector's Box. It never needed to stand tall.
24builds® offers free tracked & insured worldwide delivery on all orders 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 to be able to keep international delivery free, 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.
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.
Flat and stubborn
Chain drive in the open
One button, full show
Model specifications
868
Intermediate
3–5
28,8 × 21,2 × 17,4 cm
11.3 × 8.3 × 6.9 in
KY Blocks
24builds® Collector's Box
Trusted by 500,000+ builders worldwide
See what our community is building and why they keep coming back.
Every set at 24builds® is selected, tested or designed in-house by the team that builds them first. If it's not fun, it doesn't make the cut.
Every review shapes what we stock, how we pack, and what we design next. Read them all — unfiltered — below.
Why builders choose 24builds®
Here are some of the reasons why our community loves us:
Our quality promise
Every piece matters. Tight fits, perfect clutch, and a premium feel with every click — because a great build starts with great parts.
Fresh drops, every single week
Inspired by what our community wants most. No delays, no fillers — just the most demanded models, delivered fast.
Engineering you can build
Each set breaks down real-world mechanics — from engines to aerodynamics — helping you understand how things truly work.
Explore other collections
Not sure what to build next? Explore our categories and find your perfect set.
