Behavioural Economics · Nudges
Design a nudge and measure its effect
Change one small thing, such as a sign or the placement of a bin, and measure whether behaviour changes.
- Intermediate
- 2–4 weeks
- Under 250
606 projects · 13 streams · every class
What do you want to build?
63 projects
Aerospace Engineering + Physics
Make a model wind tunnel and test shapes
Build a small wind tunnel from a fan and straws and compare the drag of different shapes.
- Intermediate
- 1–2 weeks
- 500–1,000
Teaching and Learning · Teaching Aids
Build a teaching aid for a hard concept
Make a hands-on model that teaches one concept students usually get wrong, and test whether it works.
- Easy
- 1–2 weeks
- 250–500
Pure Mathematics + Cybersecurity
Break a secret with number theory: how RSA works
Encrypt and decrypt a message with small primes by hand, then in code, and see why large primes matter.
- Advanced
- 1–2 weeks
- Free
Applied Mathematics + Sociology
Model the spread of a rumour
Build a logistic model of how a rumour spreads through a school and test it with a class game.
- Intermediate
- 1–2 weeks
- Free
Crops, Soil and Horticulture · Soil Studies
Test the soil of three fields or gardens
Compare soil texture, pH, organic matter and drainage at three sites and suggest suitable crops.
- Easy
- 2–7 days
- Under 250
Civil Engineering · Structural Analysis
Compare the strength of beam cross-sections
Fold the same sheet of card into flat, tube, box and I shapes and measure how much each bends.
- Intermediate
- 2–7 days
- Under 250
Psychology · Experiments
Test the Stroop effect
Time how long people take to name ink colours when the word says a different colour.
- Easy
- 2–7 days
- Free
Physics · Modern Physics
Measure Planck's constant with LEDs
Find the turn-on voltage of LEDs of different colours and get Planck's constant from the slope.
- Advanced
- 2–7 days
- 250–500
Civil Engineering + Physics
Build and load-test a spaghetti bridge
Design a truss bridge from dry spaghetti and glue, then load it until it fails and compute its efficiency.
- Easy
- 2–7 days
- Under 250
Behavioural Economics · Experiments
Run the ultimatum game with classmates
Let proposers split ten tokens and responders accept or reject, and compare the results with theory.
- Intermediate
- 2–7 days
- Free
Civil Engineering + Earth Science
Design an earthquake-resistant building model
Build a simple shake table and test how bracing and base isolation protect a model tower.
- Intermediate
- 1–2 weeks
- 250–500
Psychology · Social Psychology
Investigate conformity with a classroom task
Test whether people change an estimate after seeing what others answered, with a full debrief.
- Intermediate
- 1–2 weeks
- Free
Behavioural Economics + Psychology
Test the anchoring effect on price estimates
Show two groups a high or low number first and compare their estimates of an unrelated price.
- Intermediate
- 2–7 days
- Free
Behavioural and Cognitive Science + Graphic and UI/UX Design
Test the usability of two apps or websites
Give five users the same three tasks on two competing apps and record time, errors and comments.
- Intermediate
- 1–2 weeks
- Free
Behavioural and Cognitive Science + Teaching and Learning
Compare study techniques with a memory test
Test whether self-quizzing beats rereading for remembering a passage a week later.
- Intermediate
- 1–2 weeks
- Free
Teaching and Learning · Lesson Experiments
Compare two ways of teaching the same lesson
Teach one topic by lecture to one group and by activity to another, and compare a quiz.
- Intermediate
- 1–2 weeks
- Free
Mechatronics and Robotics + Agricultural Technology
Automate a greenhouse model
Control a fan, a pump and a light in a model greenhouse from temperature, moisture and light readings.
- Intermediate
- 2–4 weeks
- 1,000–2,500
Materials, Energy and Other Branches + Environmental Science
Build a biogas digester model
Ferment kitchen waste in a sealed bottle and measure the gas collected over a month.
- Intermediate
- 2–4 weeks
- 250–500
Applied Mathematics + Behavioural Economics
Analyse a simple game with game theory
Play repeated prisoner's dilemma with classmates and compare what they do with the theory.
- Intermediate
- 2–7 days
- Free
Civil Engineering + Robotics, IoT and Hardware
Build a model of a smart street light
Make street lights that switch on at dusk and brighten only when a vehicle passes.
- Intermediate
- 1–2 weeks
- 500–1,000
Automobile Engineering · Safety Systems
Build an anti-lock braking demonstration
Show how pulsing a brake keeps a model wheel from locking.
- Advanced
- 2–4 weeks
- 1,000–2,500
Civil Engineering · Materials
Test concrete mixes for strength
Cast cubes with different water-cement ratios and compare their strength after curing.
- Advanced
- 2–4 weeks
- 500–1,000
Mechanical Engineering · Machines
Design a gearbox and measure its speed ratios
Build a two-stage gear train and check the measured ratio against the tooth counts.
- Intermediate
- 1–2 weeks
- 250–500
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