Build engines and dirt bikes like a real mechanic.
Choose a build, drag and drop real parts into place, learn what every component does, and earn badges as you master real shop skills — no garage required.
Plans from just $4.99/mo — new lower pricing · Secure encrypted checkout · Cancel anytime
Made for high school students, shop class beginners, and young mechanics.
A father & son project with a purpose. YouBuildItAI was built together by Darrance and Aiden Tezino — every subscription funds Aiden's early college fund and fuels a family's love of STEM.
Read Our StoryHow it works
Four steps from beginner to builder
Choose Your Build
Pick an engine, dirt bike, or vehicle project — from a starter 85cc bike to a V10.
Drag & Drop Parts
Snap pistons, carburetors, suspension, and wiring into place piece by piece.
Learn How Each Part Works
Every component comes with plain-English explanations of what it does and why it matters.
Complete Builds & Earn Badges
Finish builds, run simulations, level up, and collect achievement badges.
From Digital Builds to Real Repairs
The skills you master in the simulator now work on your actual vehicle. Diagnose real problems, pull exact specs, and run your repair like a pro.
Real-Vehicle Diagnosis
Describe any symptom on your actual car and get ranked causes plus a step-by-step repair plan.
Reference Guides
Warning lights, fuse boxes, fluid capacities, torque specs, and maintenance schedules for your exact vehicle.
Drag-and-Drop Repair Board
Pull repair steps, articles, and videos onto a live board and track your fix from start to finish.
Included with every subscription · Secure encrypted checkout · Cancel anytime
What's inside
A complete virtual shop class
Drag & Drop Builder
Assemble engines, dirt bikes, and vehicles part by part with snapping placement and instant feedback.
AI Build Coach
A built-in assistant guides your next step, explains mistakes, and keeps you moving.
Part Encyclopedia
Tutorials and part-level explanations: what it does, how it works, why it matters.
Diagnostic Lab
Take real repair work orders — scan codes, test circuits, and fix faults like a shop tech.
Build Challenges
Timed and accuracy challenges with XP, streaks, and a leaderboard.
Premium Build Library
Engines, dirt bikes, dream cars, turbo and suspension setups — all unlocked with your plan.
Subscriber-only access
What you unlock
Everything below is behind the paywall — one subscription opens the whole workshop.
V8, V10 & V12 Engine Builds
Full assembly with pistons, camshafts, timing chains & exhaust valves
Members onlyDirt Bike Builder
Swap suspensions, power units, wheels & tires with live performance stats
Members onlyDiagnostic Lab
Real repair work orders with scanner, multimeter & oscilloscope tools
Members onlyAI Build Coach
Step-by-step guidance, mistake explanations & upgrade advice
Members onlyDream Car & Vehicle Assembly
Full-vehicle builds from chassis to body panels
Members onlyChallenges, XP & Leaderboards
Daily challenges, badges, rare part unlocks & rankings
Members onlySecured by Stripe · Cancel anytime
Why YouBuildItAI works
Not a game. Not a textbook. Real shop skills.
Most build apps let you pick colors and rims. YouBuildItAI makes you assemble the machine yourself, understand every part, and diagnose what's wrong when it doesn't run.
A safe place to mess up
Drop a piston, wire something backwards, blow a fuse — then undo it and try again. No broken parts, no wasted money.
Learning built into every part
Unlike car configurator games, every component teaches you what it actually does in a real machine.
Real diagnostics, not just assembly
Run simulations, read live telemetry, and troubleshoot faults with scanner and multimeter tools — skills real shops use.
Coaching, not just clicking
The AI Build Coach encourages you, suggests the next step, and explains mistakes without judgment.
Who this is for
Built for the next generation of builders
High school students
Explore automotive tech before committing to a trade program — and show up to shop class ahead of everyone.
Shop class beginners
Practice assembly and diagnostics at home so real tools feel familiar, not intimidating.
Young riders & mechanics
Learn how your dirt bike or first car actually works so you can maintain and upgrade it yourself.
Parents & mentors: every subscription supports a distraction-free learning environment with no ads and no chat with strangers — just building and learning.
Why this app exists
Built by a Father & Son, With Intention

We didn't just build an app — we built time together. YouBuildItAI is an intentional father-son project: a way to share a love of engineering, spark STEM creativity, and put every subscription toward my son Aiden's early college fund. When you subscribe, you're not feeding a corporation — you're helping a family build a future, one build at a time.
— Darrance & Aiden Tezino, Father-Son Creators of YouBuildItAI
Read the full storyGenuine Bonding
Built side by side — a father and son learning, designing, and problem-solving together.
STEM Through Creativity
Proof that engineering skills grow from curiosity, play, and building things you care about.
Aiden's College Fund
Every subscription directly supports an early college fund for a young builder’s future.
Why subscribe today
Every day you wait is a build you didn't finish
Instant access
Your full workshop opens the second checkout completes — no waitlist, no setup.
The library keeps growing
New build kits, scenarios, and AI coaching ship regularly. Lock in today’s price before plans expand.
Join 1,200+ builders
Climb the same leaderboards, take the same daily challenges, and earn badges from day one.
Trust & safety
Subscribe with confidence
Secured by Stripe
Payments run entirely through Stripe. Your card details never touch our servers.
Cancel anytime
Monthly billing with no contracts, no hidden trial gates, no surprise annual charges.
Your data stays private
No ads, no selling your info. Your subscription is what funds the platform.
Built for real learning
Every tool mirrors real shop equipment and workflows — not arcade shortcuts.
One plan. The whole workshop.
Your subscription keeps YouBuildItAI ad-free, funds new build kits and AI coaching, and unlocks every tool the moment you sign up. Plans now start at just $4.99/month — cancel anytime.
See Plans & Start BuildingSecure encrypted checkout · Cancel anytime
Your first build is waiting.
Subscribe now and open the full workshop — every builder, the Diagnostic Lab, and your AI coach.
Subscribe NowPlans from just $4.99/mo · Secure encrypted checkout · Cancel anytime
