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Run Lab Open Day: test every gadget, guide testers and crown a winner.
The doors open. The testers arrive. Every gadget gets pressed, flipped and judged. Will the Lab survive?
- New skill Running a redstone showcase
- Level 6 · Inventor's Lab
- Difficulty Intermediate
- Mode Creative
- Time 45–60 min
- Ages 13+
What you’ll build
Map out a tour of every gadget you've built, fix anything that isn't perfect, and put up a Try me! sign at each stop. Then open the secret entrance, let your testers loose and work out average star ratings to crown the Most Fun Invention.
Finish line: Your Lab Open Day is done, every gadget has a star score and the Most Fun Invention wears the crown.
Bonus challenge: Ask each tester to dream up one invention for you to build next. Pick the wildest one and add it to your genius notebook.
You’ll need
- Signs
- Your working gadgets
- 1–3 testers
- A score sheet
You choose
- My tour order
- The Most Fun Invention prize
- My bet for the winner
Stuck?
- Run your pre-flight checks before testers arrive, so nothing breaks mid-tour.
- Resist helping too soon: watching where testers get stuck shows you what to improve.
- Averages: add a gadget's stars and divide by the number of testers who rated it.
For grown-ups
Get this mission
This mission is in Mission Pack 50. Each printable has the full steps, a Plan & Log page and a parent page.
Print one mission at a time. You never need to print everything.
Played on Minecraft Bedrock on iPad. Buttons can differ on other devices and versions.