Built here.
By children.

No. 01

Hand-built submarines that dive, surface and steer

Dive Deep: Build Your Own Submarine (GSP'26 only) · May 2026 · Each student

Each student built a submarine from PVC pipe with ballast tanks, inflate/deflate pumps, thrusters and a wired remote, sealing leaks through repeated pressure and water tests. By 28 May all but one were complete.

No. 02

A submarine that passed every test

Dive Deep: Build Your Own Submarine (GSP'26 only) · May 2026 · One student

One finished submarine was fully tested in the water: inflation, deflation and all three thrusters worked. It was the first in the class to be finished.

A soft vine robot that grows and steers

Soft Robotics (GSP'26 only) · June 2026 · One student

A tube that grows out long and straight when inflated and retracts when it isn't. Its builder added a fourth air module for reach, and by the defence day it steered under code they wrote themselves.

No. 04

Homemade speakers, tuned until they sang

Physics of Sound (GSP'26 only) · May 2026 · One student

Students built speakers from coils, magnets and diaphragms, then iterated. One got the loudest sound by re-seating the coil, a big paper-spring cone gave deeper bass, and fixing the magnet to a table made the table resonate.

No. 05

A paper bridge that held over 10 kg

Build It, Break It: Bridges, Pulleys and Floating Tables · May 2026 · A team

Teams built bridges from paper straws and folded A4 sheets and tested them with weights. One team's design, planned by a single student, carried more than 10 kg.

No. 06

Retreat for the Self: a building each

Blueprints & Beyond: Exploring Design & Architecture · May 2026 · Each student

Each student designed a building for a shared site: a library, spa, gym, dance studio, cinema and more. They measured real rooms, drew ground and first-floor plans and built models, skipping breaks to finish.

No. 07

Submarine remotes wired through 120 m of cable

Dive Deep: Build Your Own Submarine (GSP'26 only) · May 2026 · The whole class

The class cut 120 metres of CAT6 cable into ten equal lengths and tested every wire with a multimeter. Nearly all drew the full remote circuit diagram on their own, then built the remotes.

An assistive soft hand for failing grip

Soft Robotics (GSP'26 only) · June 2026 · One student

Designed for an older person whose grip has weakened, the hand used a fourth air module, with 3D-printed parts inside a glove being tested to make the whole hand move as the actuators inflate.

Eight soft machines, defended to an engineer

Soft Robotics (GSP'26 only) · June 2026 · One student

From one shared kit the class built eight machines, including a crawling caterpillar, an inflatable dancing man, a helix and a spinning soft 'driller', then each defended why theirs should exist to the course engineer.

No. 10

Air modules that run their own code

Soft Robotics (GSP'26 only) · June 2026 · Each student

On day one every student built a three-module inflate/deflate air set (two motors and a valve). By day three the kits were running six relays from an ESP32 on timing code each student wrote.

No. 11

Train your model, break theirs

Code the Future: AI & Machine Learning Adventure · May 2026 · A team

Teams of three collected data to train their own image classifier and tried to break the other teams' models. It ended in a four-way tie, with every team collecting varied data and planning for edge cases.

No. 12

A class resource-sharing app on a real database

Code the Future: AI & Machine Learning Adventure · June 2026 · One student

June students built resource-sharing apps with AI coding agents, then moved them onto a shared Supabase database. The most complete one was used to share the class transcript.

No. 13

A campus food survey, run end to end

Data Science (GSP'26 only) · May 2026 · The whole class

Data science students wrote and refined survey questions, printed the forms, compiled and analysed the responses, wrote a combined report on the food data and presented projects at Open Day.

No. 14

Electric motors built from scratch

Two Feet of Science: Walk Like a Scientist · May 2026 · One student

From wire coils, magnets and a power source, students built their own DC motors. At first none would spin; after rounds of scraping wires, swapping magnets and adjusting contacts, several ran by day's end.

No. 15

Weighing the electron's charge-to-mass ratio

Two Feet of Science: Walk Like a Scientist · May 2026 · The whole class

The class worked out the charge-to-mass ratio of the electron from their own lab readings. One student built a shared spreadsheet that logged everyone's raw readings and calculated the results for the whole class automatically.

No. 16

A seven-segment display that counts out pi

Squishy Circuits · May 2026 · One student

A student wired a breadboard circuit to a seven-segment display so that it showed the first seven decimal places of pi.

No. 17

The Wire Cut Game

Squishy Circuits · May 2026 · One student

One learner invented a game in which players predict which bulb goes dark when a given wire is cut. It turned series and parallel circuits into a class-wide puzzle.

No. 18

A playdough flower that lights up

Squishy Circuits · June 2026 · One student

June Explorers made conductive dough from wheat flour, water, oil, salt and food colour, then shaped it into circuits. One became a traffic signal, another a flower with an LED glowing at its centre.

No. 19

Tensegrity tables that stand on tension

Build It, Break It: Bridges, Pulleys and Floating Tables · May 2026 · A team

Groups agreed their own dimensions, cut wood and plastic with saws and clamps, and built tensegrity tables. After a struggle to make them stand, every group finished, one building theirs bigger and wider.

No. 20

A cable train, a truck and a castle

Build It, Break It: Bridges, Pulleys and Floating Tables · May 2026 · A team

Five groups built final models: a house with tree and benches, a cable train, a marble-versus-marble game, a truck and a castle with a catapult. Every group finished and showed classmates.

Parachute race with a glue-stick passenger

Build It, Break It: Bridges, Pulleys and Floating Tables · June 2026 · A team

Pairs built parachutes from trash bags, wool and cardboard to carry a glue stick, then an eraser. They timed the drops, redesigned for a second round and crowned a winner.

No. 22

A heritage-house model, then the real house

Blueprints & Beyond: Exploring Design & Architecture · May 2026 · The whole class

The class built a model of the Kunjur Chowkimane house, working up to its roof and exploring roof types. Then they visited the real house and learned 62 people lived there.

No. 23

Policy Hackathon: fixes for real problems

Policy Paths: Unraveling Economics, Stats, and Policy · May 2026 · A team

Groups proposed solutions to policy problems over two rounds of presentations, using feedback between rounds. They set out inputs, outlays, outputs and outcomes, and traced unintended consequences.

No. 24

A shape classifier that recognised real objects

Code the Future: AI & Machine Learning Adventure · May 2026 · One student

Students trained a circle/triangle/rectangle classifier, then tested it on real things through their webcams. It correctly identified a laptop and a juice carton.

No. 25

Chatbots built in a one-week sprint

Code the Future: AI & Machine Learning Adventure · May 2026 · One student

In a multi-turn chatbot sprint, students built bots including a daily-schedule creator, a fictional-story generator and a 'people trump-card' creator, testing and adjusting their prompts.

A 30-second AI film about a sandwich

Code the Future: AI & Machine Learning Adventure · June 2026 · A team

In a timed video sprint, teams made 20–30 second films with AI images, script and voiceover. The standout followed a sandwich's escape from a lunch box: funny, clearly planned and on time.

A benchmark: can you spot AI music?

Code the Future: AI & Machine Learning Adventure · June 2026 · The whole class

Students generated songs with Suno and built a class mini-benchmark of human-made versus AI-made music. The class scored below 50%.

No. 28

Measuring a molecule with nail polish

Two Feet of Science: Walk Like a Scientist · May 2026 · The whole class

Students estimated the thickness of a molecule from a film spread on water. When one student questioned the method, the class re-ran it on black and white paper and worked out why black was needed.

No. 29

Proving light is a transverse wave

Two Feet of Science: Walk Like a Scientist · May 2026 · The whole class

Using polarisation, students gathered their own data and plotted a straight-line graph to confirm the equations, which showed light is a transverse wave.

Triple pendulums from onions and tomatoes

Two Feet of Science: Walk Like a Scientist · May 2026 · A team

After deriving the pendulum's period by dimensional analysis, students went beyond the syllabus. They hung vegetable bobs one below another to build double and triple pendulums and explore chaotic motion.

No. 31

Taking on Millikan's oil-drop experiment for Open Day

Two Feet of Science: Walk Like a Scientist · May 2026 · A team

The class had planned to drop Millikan's oil-drop experiment for lack of time. Two students' persistence convinced the instructor to let them take on the setup for Open Day.

No. 32

Circuits that divide voltage on demand

Physics of Sound (GSP'26 only) · May 2026 · A team

Three students quickly designed voltage-divider circuits that cut the input voltage to 1/6 and 1/9, then went on to build light-sensitive LED circuits using light-dependent resistors.

No. 33

A colour-changing light on a dial

Squishy Circuits · May 2026 · One student

Turning a potentiometer smoothly shifted an RGB LED through its colours. Classmates copied and varied the circuit, and one student's version used three potentiometers to mix every colour.

No. 34

New verses for a protest song

Build It, Break It: Bridges, Pulleys and Floating Tables · May 2026 · The whole class

Students wrote their own verses, some satirical, for Pete Seeger's 'What Did You Learn in School Today?' Then the whole class sang them together.

No. 35

An imaginary city made in two hours

Blueprints & Beyond: Exploring Design & Architecture · May 2026 · A team

Groups drew a whole city plan, then imagined the fictional city of Zenobia, sketched it in charcoal and made 3D pop-ups from card without using tape, all in two hours.

Brain caps and a clay neuron

Neuro Navigators (GSP'26 only) · May 2026 · A team

Students made wearable brain caps, remaking some until they fitted, and presented them. One group sculpted a detailed clay model of a neuron.

No. 37

Brain charts and talks on why we behave

Neuro Navigators (GSP'26 only) · May 2026 · Each student

Every student finished a neuroscience chart. Each also gave a one-minute talk linking one of their own traits, such as anger, empathy or overthinking, to the parts of the brain behind it.

No. 38

Newsroom reports on policies that backfired

Policy Paths: Unraveling Economics, Stats, and Policy · May 2026 · The whole class

All 14 students researched schemes meant for good that created bad incentives, then presented their findings on camera in newsreader or teaching style.

No. 39

A path-finding algorithm of their own

Math Mastery (GSP'26 only) · May 2026 · One student

A student presented a home-grown algorithm for tracing a path through a graph, similar to Fleury's algorithm. Classmates then used the handshake lemma to prove when an Euler circuit is impossible.

No. 40

Proving a scrambled puzzle can't be solved

Math Mastery (GSP'26 only) · May 2026 · One student

Working with puzzle cubes, a student noticed that an odd-parity configuration can never be solved. Staff recorded it as an important breakthrough.