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Become a master modeler in Mech Builder 3D. Experience the relaxing process of assembling, customizing, posing and displaying all the 61 model kits with complete freedom without ever losing a piece.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Try this game before buying.
Welcome to Mech Builder 3D — your perfect escape into the Gunpla-inspired world of model building. Experience the relaxing process of building a model kit with complete freedom.
Effortlessly assemble, paint, and pose all your models. Build mechs, monsters, armors, and so much more.
Building all the kits will take around 7-9 hours of your time.
All 3D models and pieces have been carefully crafted for a relaxing experience.
Features
61 model kits to build.
A pressure-free experience: build your way, at your own pace.
Pose the models kits in any position you want.
Unlock kitbash mode to make your own models with all the pieces.
Right now the cheapest offer for Mech Builder 3D is PLN 53.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Mech Builder 3D is PLN 26.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Mech Builder 3D drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
Audio & text: English
Text only: French, Italian, German, Japanese, Simplified Chinese, Spanish - Latin America, Spanish - Spain, Indonesian, Portuguese - Brazil, Portuguese - Portugal, Vietnamese
