Level 3 · Dream City

Mission 222

Biodome: A Giant Glass World for Your Animals

Badge: Dome Keeper

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Build a radius 8 glass biodome, ring by ring, and move the animals in.

Your animals need a home that's sealed, sunny and spectacular. Build a giant glass bubble and move them in.

  • New skill Stacking shrinking circles into a dome
  • Level 3 · Dream City
  • Difficulty Beginner
  • Mode Creative
  • Time 30–45 min
  • Ages 13+

What you’ll build

Work out a table of shrinking circle sizes, then stack glass rings layer by layer into a giant biodome. Lay a habitat floor inside, seal the roof, add a two-door airlock and move your animals into their sunny new world.

Finish line: Your glass biodome holds a habitat and animals behind an airlock, with a table of every layer.

Bonus challenge: Add a band of coloured glass at height 4 as a sunset stripe. How many blocks did it take, and does it match your table?

You’ll need

  • Glass
  • Habitat blocks
  • Doors
  • Animal spawn eggs

You choose

  • My biodome's name
  • The habitat inside (jungle, snowfield, meadow…)
  • Which animals move in

Stuck?

  • Gaps near the top? The rings shrink fast there, so fill in extra glass to seal the roof.
  • Animals escaping? Close the outer door before you open the inner one.
  • Spawn egg not working? Farm animals appear on Peaceful, but hostile mobs won't.

For grown-ups

Get this mission

This mission is in Mission Pack 22. 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.