Move a marble two metres without motors
Design a device that transports a marble at least 2m using only stored energy — gravity, springs, elastic. Slowest successful run wins.
Sign in to run this25 experiments
A brief, a time box, and a way to tell whether it worked. Run one alone or with a team, keep the evidence, and see which paths it opens.
Design a device that transports a marble at least 2m using only stored energy — gravity, springs, elastic. Slowest successful run wins.
Sign in to run thisTalk to three people actually doing the work. Publish what surprised you.
Sign in to run thisFind a real business with no decent web presence and give them one. Free is fine.
Sign in to run thisTake a genuinely messy open dataset, clean it properly, publish it with notes.
Sign in to run thisPick something you can do and teach it properly to people who cannot.
Sign in to run thisFix three items headed for the bin. Document the diagnosis, not just the fix.
Sign in to run thisPerform something unrehearsed every day for seven days, in front of at least one person.
Sign in to run thisSend ten genuinely personalised messages to people you have never met, about something real.
Sign in to run thisInstrument one week of your life, then change one variable and measure again.
Sign in to run thisAny autonomous machine: line follower, plant waterer, camera tracker.
Sign in to run thisPlan, budget, buy and serve a full meal for twelve on a fixed budget.
Sign in to run thisMaterials: Kitchen and ingredients (low)
Keep: The schedule, the receipt and a photo of the table
Roles: head chef, logistics, service
Take a decision you or someone else actually faces and build a defensible model of it.
Sign in to run thisSpend one entire working day beside someone in a role you are considering.
Sign in to run thisLearn the full commerce loop at zero risk: list, price, negotiate, ship.
Sign in to run thisFinished beats good. Three minutes, start to end, released somewhere public.
Sign in to run thisPick a site or a physical place and document what excludes people.
Sign in to run thisA full biological cycle, measured.
Sign in to run thisFind a process someone repeats weekly and make it take half the time.
Sign in to run thisNo public dataset. Collect your own, label it, train something small.
Sign in to run thisNot a talk. People must make or decide something in the room.
Sign in to run thisTake it apart — physically or logically — and explain how it actually works.
Sign in to run thisFind and document every free or cheap opportunity within walking distance.
Sign in to run thisPick one physical capacity and improve it on a plan, with a test at each end.
Sign in to run thisOne real transaction. Not a business plan.
Sign in to run thisOne material, one colour, one hour, or one hundred words. The limit is the point.
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