Kids Electronics vs Learning transistor

Kidstronic teaches kids how electronics really work by letting them BUILD real circuits with their own hands — in a fun, safe 3D workshop, no soldering iron required. Drag a battery onto the workbench, wire it to an LED, and watch it glow the instant the circuit is complete. No diagrams to memorize, no risk, no mess — just hands-on cause and effect that turns curiosity into real STEM understanding. WHY PARENTS LIKE IT • Free to start, guest mode by default — no forced login or account just to play • No third-party ads and no ad tracking — the only cross-promo is a single card for our own sister app • A dedicated Parent Zone with a private dashboard showing exactly what your child has practiced • A Parent Gate question stands between kids and any purchase or subscription screen • Friendly character guides (Bora the Battery, Lila the LED, and friends) explain every concept in short, playful lines a 7-10 year old can follow solo BUILD REAL CIRCUITS IN 3D Kids drag components onto a workbench and wire them exactly like a real engineer would: tap a glowing pin, tap another, and the wire snaps into place. Get the polarity wrong and the app shows them why — flip it and watch the part light up correctly. Short circuits, reversed parts, and overvoltage are all explained in plain language instead of just failing silently. It's trial, error, and discovery, not a quiz with one right answer to memorize. Designed with no reading required, so kids as young as 7 can play independently. 5 WORLDS, 40+ LEVELS Progress through Light World, Sound World, Motion World, Sensor World, and Smart World, each unlocking a new set of components: LEDs and RGB LEDs, switches and buttons, resistors, buzzers and speakers, motors and fans, light and temperature sensors, and even AND/OR/NOT logic gates. Difficulty ramps gently from a first spark to master-level free builds, so kids are always challenged but never stuck. STORY MODE — 26 REAL GADGETS TO BUILD Beyond the core curriculum, Story Mode walks kids step-by-step through building recognizable gadgets: a night lamp, a doorbell, a burglar alarm, a mini race car, a traffic light, a rocket launcher, a submarine, a dinosaur egg incubator, a logic-gate castle drawbridge, and dozens more. Each finished build earns a themed badge and a "you built it!" celebration moment, with a gentle "solve it for me" hint if a young builder gets stuck. DAILY PUZZLE & QUIZ MODE A fresh circuit puzzle unlocks every day, with a streak counter and a 30-day archive to replay past challenges. "Test Yourself" quizzes check what your child actually learned in each world — components, vocabulary, and circuit logic — with clear explanations for anything they get wrong. FREE BUILD SANDBOX Once a world is mastered, kids get an open workbench with every part unlocked and zero rules, so they can experiment and invent their own circuits freely. BUILT FOR PARENTS, TOO The Parent Zone shows worlds completed, levels cleared, stars earned, quizzes passed, and the concepts your child has actually practiced — batteries, polarity, parallel circuits, logic gates, and more — so you always know what's next. Kidstronic's free levels let any child start building today. A Kidstronic Pro subscription (monthly or yearly, with a free trial period) unlocks every world, every level, every component, and the Free Build sandbox — cancel anytime from your store account settings. More than a game, Kidstronic is a hands-on introduction to electronics, circuit logic, and engineering — the kind of screen time that builds real problem-solving skills. Give your child the workbench and let them light up their first idea today. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://coddykit.com/terms/privacy-policy

How does a computer actually compute? Not metaphorically — physically. Learning Transistor answers that question in 14 interactive screens, starting from a single transistor and ending at a working one-bit computer you can step through with your finger. Every screen is a live circuit. Current flows as moving dots, voltage glows on the wires, and every input is yours to flip. Nothing is a video, and nothing is a quiz — you learn by turning things on and off and watching what the electrons do. THE JOURNEY - Meet Transistor Man — the classic mental model of how a transistor keeps its collector current exactly 100 times the base current, and what happens when it can't - The transistor switch: how 9.4 mA of base current lights a 100 mA lamp - The NOT gate: how a resistor and a transistor turn voltage into logic — and why "1" costs no current at all - NAND and NOR at the transistor level: series vs parallel, and why these two gates can build everything else - The symbol language: the D-shape, the pointed shape, and the little circle that flips every answer - Building with gates: AND from NANDs — abstraction you can tap to open and see the transistors still working inside - The SR latch: two crossed gates that remember one bit after your finger leaves the screen - XOR and the half adder: the moment logic becomes arithmetic, and 1 + 1 becomes 10 - The finale: memory + adder + feedback + a STEP clock — a one-bit computer, with every layer tappable all the way down to the silicon FREE TO START The first two screens — Transistor Man and the transistor switch — are free. A single purchase unlocks the rest of the journey. No subscriptions, no ads, no accounts, no data collection. Inspired by the classic figures of The Art of Electronics. Made for curious minds who want to know what is really happening inside the machine they are holding.