Level 6 · Inventor's Lab

Mission 524

Jackpot! Build a Three-Reel Slot Machine

Badge: Jackpot Inventor

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Build a 3-reel slot machine and find out how rare a jackpot really is.

Pull the lever. Three reels drop. Diamond, diamond… diamond? JACKPOT! Or is the house always winning?

  • New skill Firing three droppers with one button
  • Level 6 · Inventor's Lab
  • Difficulty Intermediate
  • Mode Creative
  • Time 45–60 min
  • Ages 13+

What you’ll build

Build a three-reel slot machine where one button fires three droppers at once. Lock the reels with powered hoppers while you read them, then spin again and again, tallying jackpots, pairs and misses to see how rare a jackpot really is.

Finish line: Your slot machine spins, your tally shows how rare a jackpot is, and a pay table hangs on the front.

Bonus challenge: Give the machine flashing lights: a lamp line that flickers when you spin. Then add a 4th reel. How rare is a jackpot now?

You’ll need

  • Droppers
  • Glass
  • Hoppers and chests
  • A button
  • A lever
  • Three kinds of shiny items

You choose

  • My machine's name
  • My 3 reel symbols
  • My bet: jackpots in 90 spins

Stuck?

  • Reels emptying before you can read them? Flip the lever to power the hoppers and lock them.
  • Only one reel fires? Run the dust across the tops of all three droppers.
  • Load every dropper with the same three symbols, or the odds won't be fair.

For grown-ups

Get this mission

This mission is in Mission Pack 52 (Level 6: Inventor's Lab). Its printables arrive in the store soon. We release about one level a month.

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.