L4 Engine | 1,787 PCS
L4 Engine | 1,787 PCS
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🛡️ 30-Day Money-Back Guarantee
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Bought this for a friend who is a BIG car guy. He got started and could not put it down. Took him 2 weeks. Said it was a quality product, would definitely buy again!
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I bought this as a gift and it was a big hit. It’s super cool and they loved it. The build is a bit challenging, but it’s worth it.
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My 8 year old put this together in one day he was so proud of himself. He's had other kits like this, but this one he actually finished and got to work.
What's included in the box?
What's included in the box?
Every BioBricks set comes with:
1 x Motor
1 x Battery Box
1 x Instruction Manual
All Pieces in Numbered Bags
How long does shipping take?
How long does shipping take?
Orders are processed within 1-3 days and delivery takes 10-12 days. Depending on weather, customs, or location some orders might take a little longer.
Once your order is processed you will receive a tracking number so you can follow your set the whole way!
What if there is a missing piece?
What if there is a missing piece?
If there is a missing piece contact us at support@shopbiobricks.com with a photo of your set and the missing piece and we'll send a replacement completely free of charge!
L4 Engine | 1,787 PCS
It's Not a Model. It Actually Runs.
Other brick sets hide everything behind a shell. This one shows you every single part moving.
You build the BioBricks Inline-4 Engine with your own hands. Then you flip the switch. The cams spin, the timing chain loops, all 4 pistons fire in perfect sequence — completely exposed, nothing hidden.
This isn't a display piece. It's the engine that powers more cars on the road than any other, laid bare for you to watch.
What you get:
🔍 A fully open design — every part visible while it runs. No guessing what's happening inside.
⚙️ All 4 pistons fire in sequence — cams spinning, timing chain looping, everything moving in real time.
🎓 The most "aha" build in the lineup — watch exactly how an engine actually works, right in front of you.
🔧 1,787+ pieces to build — hours of satisfying, screen-free build time.
📖 Zero guesswork — full-color instructions walk you through every step.
🔋 Ready out of the box — motor and battery box included. Just add batteries and go.
Build it once. Understand it forever.
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