Large Sets
High Speed Train & Station
A 1,532-piece railroad epic with a remote-control bullet train, working headlights and a full-service station.
Building block sets · Ships with Amazon
Snap it. Build it. Play it.
Premium, tight-fitting building block sets — race cars, rockets, cranes and giant showpieces — for kids and grown-up builders alike. Compatible with major brick brands.
Super Fun
Affordable
High Quality
🧱
Tight-Fitting Bricks
Strong, high-quality pieces that clutch tight and stay built.
🔄
Brick-Compatible
Works with most standard building-brick brands you already own.
👨👩👧👦
Kids & Adults
From quick 200-piece builds to 11,000-piece showstoppers.
📦
Fast Amazon Shipping
Order in a tap and get it delivered with Amazon Prime.
Fan Favorites
See all 16 sets
Sets builders love
A few of our most popular kits, straight from the workshop.
Racing Series
Green Supercar
A 348-piece modern supercar with scissor-door swagger and razor-sharp lines.
Construction
Fire Rescue Truck
646 pieces of rescue action with five attachments and a rescue helicopter.
Racing Series
Mini Sports Racer
Pocket-sized supercar speed — 230 pieces of quick-build fun at our best price.
Large Sets
World Map Wall Art
Our biggest build ever: an 11,065-piece world map wall display, 41.5" wide.
Shop by Series
Find your next build
🏎️
Racing Series
Supercars, off-roaders and speed machines to build and race.
🚜Construction
Cranes, diggers and rescue rigs with working parts and attachments.
✈️Aviation
Take to the skies with detailed aircraft for young pilots.
🚀Space Series
Rockets, rovers and shuttles for out-of-this-world missions.
🏗️Large Sets
Epic centerpiece builds with thousands of pieces.
In the wild
See the sets built
Every set ships from Amazon
Trusted checkout, fast Prime delivery and easy returns. Browse the full Block Builder store and start building today.
Visit our Amazon Store
Our Story
Built by block lovers, for block lovers
We started Block Builder to follow our own passion for block building. Our mission is to create affordable, tight-fitting, high-quality block sets so that more kids and adult enthusiasts can enjoy building just as much as we do.
More about us