storyfrgeSTORIES YOU CAN BUILD

Story-driven, NCERT-mapped, hands-on STEM build modules for schools. Every module is a story that needs the thing built — re-engineered for a real classroom period, one teacher, teams of four to five, and priced for Indian school budgets.

NEP 2020 experiential learning — built, not bought-inCBSE competency outcomes, in the chapter's own languageAtal Tinkering Lab content packs (L4)
13 modules available now · 11 more on the way · 24 mapped across grades 6–10 + ATL

Grade 6

3 available · 1 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L1 · TinkerAvailable now

The Compass That Lied

What it covers
NCERT · Fun with Magnets (1 period)
What kids build & learn
Magnetic polesattraction and repulsionmagnetising a needleEarth as a magnetthe compass
Why it works
We made a tiny floating arrow that stopped arguing, pointed north, and helped us catch a lying treasure note.
PDF licence ₹8,000 · with kits ₹8,504 +18% GST
View module & sample →
L1 · TinkerAvailable now

The Periscope Spy

What it covers
NCERT · Light Shadows and Reflections (1 period)
What kids build & learn
Light travels in straight linesreflectionangle of a mirrorshadows
Why it works
by the end of this period, every team has built a real periscope that lets them see around a corner while their head stays hidden — and knows the secret of how two tilted mirrors bend a straight beam of light around the corner to their eye.
PDF licence ₹8,000 · with kits ₹8,336 +18% GST
View module & sample →
L1 · TinkerComing soon

The Trundle Trial

What it covers
NCERT · Motion and Measurement of Distances (1 period)
What kids build & learn
Standard units of lengthmeasuring long distancesthe wheel-and-click methodcircumference and rolling
Why it works
The school corridor's true length is disputed; build a trundle wheel that clicks off every metre and settles it.
Being built next — listed so your grade bundle is complete.
L2 · BuilderAvailable now

The Chocolate Thief Trap

What it covers
NCERT · Electricity and Circuits (1 period)
What kids build & learn
Simple electric circuitconductors and insulatorsswitch as a gap in the loopnormally-closed circuit
Why it works
By the end of this period, every team has built — with their own hands — a real burglar alarm that screams the instant a chocolate-box lid is lifted, can explain why *letting go* is what sets it off, and takes the board home to stand guard that night.
PDF licence ₹8,000 · with kits ₹9,769.60 +18% GST
View module & sample →

Grade 7

3 available · 1 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L2 · BuilderAvailable now

The Junkyard Crane

What it covers
NCERT · Electric Current and its Effects (2 periods)
What kids build & learn
Electromagnetcurrent makes magnetismcoil and coreswitch control
Why it works
by the end of these two periods, every team has built — with their own hands — a real crane whose iron tip grabs a pile of steel clips when you press a button and drops them the instant you let go, and can explain why the nail becomes a magnet only while the current flows. The crane goes home.
PDF licence ₹8,000 · with kits ₹8,817.60 +18% GST
View module & sample →
L2 · BuilderAvailable now

The Meltdown

What it covers
NCERT · Heat (2 periods)
What kids build & learn
Heat transferconductioninsulationfair testing
Why it works
By the end, every team has built — with their own hands — an insulated carrier that keeps an ice cube frozen while a bare cup turns to a puddle, and can explain why the slow one stayed cold. It goes home holding tomorrow's cold water bottle.
PDF licence ₹8,000 · with kits ₹8,235.20 +18% GST
View module & sample →
L2 · BuilderAvailable now

The Second Stealer

What it covers
NCERT · Motion and Time (2 periods)
What kids build & learn
Periodic motionthe pendulumtime periodlength and swing
Why it works
by the end of these two periods, every team has built — with their own hands — an honest clock that ticks a true second nobody can argue with: a pendulum that swings back and forth in exactly one second, every time, no matter who is holding it. Each child can tune it, count it, and explain why its swing keeps such steady time. It goes home.
PDF licence ₹8,000 · with kits ₹8,134.40 +18% GST
View module & sample →
L2 · BuilderComing soon

The Upside-Down Classroom

What it covers
NCERT · Light (1 period)
What kids build & learn
Light travels in straight linesthe pinhole camerareal inverted imagesaperture and sharpness
Why it works
The class must capture the window without a camera; build a pinhole camera that throws the world upside-down on a screen.
Being built next — listed so your grade bundle is complete.

Grade 8

2 available · 2 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L2 · BuilderAvailable now

The Copper Counterfeit

What it covers
NCERT · Chemical Effects of Electric Current (2 periods)
What kids build & learn
Electrolysiselectroplatingelectrodesthe electrolyte
Why it works
By the end, every team has built — with their own hands — a working copper-plating cell that turns a dull grey steel object copper-coloured in a couple of minutes, and can explain exactly how a counterfeiter fakes "solid copper" with a battery and a spoon of blue crystals. The plated coin goes home as proof.
PDF licence ₹8,000 · with kits ₹8,806.40 +18% GST
View module & sample →
L2 · BuilderAvailable now

The One-Note Doorbell

What it covers
NCERT · Sound (2 periods)
What kids build & learn
Sound from vibrationpitchtension and lengththe sound-box
Why it works
By the end, every team has built — with their own hands — a plucked sound-box they can tune to sound one exact note on demand, and can explain why tightening or shortening the string raises the pitch. It goes home as the family's own doorbell note.
PDF licence ₹8,000 · with kits ₹8,190.40 +18% GST
View module & sample →
L2 · BuilderComing soon

The Hydraulic Claw

What it covers
NCERT · Force and Pressure (2 periods)
What kids build & learn
Pressure in fluidsPascal's principlehydraulic force multiplicationtransmitting force through liquid
Why it works
A heavy block must be lifted with a fingertip's effort; build a syringe-and-tube hydraulic claw that multiplies your push.
Being built next — listed so your grade bundle is complete.
L2 · BuilderComing soon

The Tremor Catcher

What it covers
NCERT · Some Natural Phenomena (2 periods)
What kids build & learn
Vibrations and wavesthe seismographinertia of a suspended massrecording motion
Why it works
A shelf keeps rattling and no one believes it; build a seismograph that draws the shaking so it cannot be denied.
Being built next — listed so your grade bundle is complete.

Grade 9

2 available · 2 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L3 · EngineerAvailable now

The Cargo Run

What it covers
NCERT · Force and Laws of Motion (2 periods)
What kids build & learn
Newton's third lawstored energyfrictionmass and acceleration
Why it works
By the end, every team has engineered a self-powered car that carries a payload across a no-touch zone and produces a measured distance-versus-mass result they can defend.
PDF licence ₹8,000 · with kits ₹8,302.40 +18% GST
View module & sample →
L3 · EngineerAvailable now

The Echo Mapper

What it covers
NCERT · Sound (2 periods)
What kids build & learn
Speed of soundecho and reflectiondistance from timemeasurement
Why it works
By the end, every team has built a cardboard clap-cone and used the echo of its own clap — no tape, no laser, no app — to measure the distance to a far wall, and can defend that number to within about 10% of a tape's reading using nothing but the speed of sound and a stopwatch.
PDF licence ₹8,000 · with kits ₹8,067.20 +18% GST
View module & sample →
L3 · EngineerComing soon

The Catapult Contest

What it covers
NCERT · Work and Energy (2 periods)
What kids build & learn
Elastic potential energyenergy transferprojectile rangethe lever arm
Why it works
The class needs the farthest-throwing machine from one rubber band's worth of energy; build and tune a catapult to win.
Being built next — listed so your grade bundle is complete.
L3 · EngineerComing soon

The Milk Test

What it covers
NCERT · Gravitation (2 periods)
What kids build & learn
Density and buoyancyArchimedes' principlethe hydrometerrelative density
Why it works
A shopkeeper is accused of watering down the milk; build a hydrometer that floats to the truth.
Being built next — listed so your grade bundle is complete.

Grade 10

2 available · 2 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L3 · EngineerAvailable now

The Backyard Observatory

What it covers
NCERT · Light Reflection and Refraction (2 periods)
What kids build & learn
Refractionlensesfocal lengththe refracting telescope
Why it works
By the end, every team has engineered a working refracting telescope that brings a distant object close enough to read, and can measure and defend how much closer it pulls a distant object, from the two lenses it chose.
PDF licence ₹8,000 · with kits ₹8,459.20 +18% GST
View module & sample →
L3 · EngineerAvailable now

The Motor That Shouldn't Spin

What it covers
NCERT · Magnetic Effects of Electric Current (2 periods)
What kids build & learn
Magnetic field of a currentthe motor effectcommutationcoil and magnet
Why it works
By the end, every team has engineered a bare-wire DC motor that spins continuously, and can measure its speed and defend the one trick that makes it turn instead of just twitching.
PDF licence ₹8,000 · with kits ₹8,862.40 +18% GST
View module & sample →
L3 · EngineerComing soon

The Fair Share

What it covers
NCERT · Electricity (2 periods)
What kids build & learn
Series and parallel circuitscurrent and voltage divisionresistancewhy homes are wired in parallel
Why it works
Two rooms argue over why one's bulbs dim when the other's switch on; build series and parallel boards to prove who is right.
Being built next — listed so your grade bundle is complete.
L3 · EngineerComing soon

The Windmill Grid

What it covers
NCERT · Sources of Energy (2 periods)
What kids build & learn
Renewable energyelectromagnetic generationturbine blades and torqueenergy conversion
Why it works
The model village needs power with no wires coming in; build a wind turbine that lights an LED from moving air.
Being built next — listed so your grade bundle is complete.

ATL · Atal Tinkering Lab

1 available · 3 coming soon
Grade bundle · all 4 modules₹25,600 +18% GST = ₹30,20880% of 4 single PDF licences
L4 · ATL LabAvailable now

The Anti-Theft Drawer

What it covers
NCERT · Cross-chapter (sensors and automation) (4 periods)
What kids build & learn
Sensorsswitching logicmicrocontroller basicssystems design
Why it works
By the end, each lab team has built and integrated a working drawer alarm that stays silent when the drawer is shut and fires the instant it opens, tested it against a written protocol, and attempted at least one stretch goal — a latch or an Arduino intrusion log.
PDF licence ₹8,000 · with kits ₹10,038.40 +18% GST
View module & sample →
L4 · ATL LabComing soon

The Gas Sentinel

What it covers
NCERT · Cross-chapter (sensors and automation) (4 periods)
What kids build & learn
Gas sensorsanalog thresholdssafety alarm logiccalibration
Why it works
A kitchen gas leak gives no warning until it is too late; build an MQ-2 gas sensor alarm that sounds before danger.
Being built next — listed so your grade bundle is complete.
L4 · ATL LabComing soon

The Rain Caller

What it covers
NCERT · Cross-chapter (sensors and automation) (4 periods)
What kids build & learn
Sensorsconductivity sensingalarm logicsystems design
Why it works
Washing left out keeps getting soaked; build a rain alarm that shouts the moment the first drops land.
Being built next — listed so your grade bundle is complete.
L4 · ATL LabComing soon

The Self-Watering Garden

What it covers
NCERT · Cross-chapter (sensors and automation) (4 periods)
What kids build & learn
Sensorsanalog thresholdsactuator controlclosed-loop automation
Why it works
The ATL's plants die over every holiday; build a soil-moisture sensor that waters them only when they are actually dry.
Being built next — listed so your grade bundle is complete.

How pricing works

PDF licence

₹8,000 per module. The full teacher-ready buildsheet, licensed to your school for its own students. GST added separately.

PDF + kits

Licence plus one classroom set of 8 team kits (teams of four to five). Priced per module from its real bill of materials — see each module.

Grade bundle

₹25,600 for all 4 modules in a grade — 19% off 4 single licences. Kits quoted on top per class.

All prices exclude GST, shown at 18% throughout. Kit prices track live component costs and may move with the market.

Bring Storyforge to your school

Tell us your school and the grades you're planning for. We'll send a full sample module and a quote for the modules or grade bundles you want.

Email us — sunilrpappu@gmail.com