ItemSprites.png Mystery Block (Rarity: 80)

What could possibly be inside this block!?!? Gems, that's what.
This item never drops any seeds.
TypeItemSprites.png Treasure - Foreground
ChiItemSprites.png Earth
Texture TypeTextureTypeSprite.png Single
Collision TypeCollisionTypeSprite.png Full Collision
HardnessItemSprites.png 3 Hits
ItemSprites.png 3 Hits
Restores after 8s of inactivity.
Seed ColorSeedSprites.png
Grow TimeTreeSprites.png 5d 22h 53m 20s
Default Gems DropItemSprites.png 0 - 21
Paint Preview
ItemSprites.pngItemSprites.png Red
ItemSprites.pngItemSprites.png Yellow
ItemSprites.pngItemSprites.png Green
ItemSprites.pngItemSprites.png Aqua
ItemSprites.pngItemSprites.png Blue
ItemSprites.pngItemSprites.png Purple
ItemSprites.pngItemSprites.png Charcoal

The tree of this item can be made by mixing the following seeds:

SeedSprites.png Steel Block Seed
SeedSprites.png Disco Ball Seed
Produced by

The Mystery Block is a splicable solid foreground block. Up to 4 of this item can be dropped from harvesting its tree, which is made by splicing a Steel Block Seed with a Disco Ball Seed. 4 Mystery Block Seeds can also spawn in a world due to the Magical Seeds special event.

A Mystery Block or its seed also has a chance to be dropped when a Winterfest Calendar - 2017 or Winterfest Calendar - 2018 is harvested.


A Mystery Block may drop up to 50 gems when broken.


  • The Mystery Block's appearance is a reference to the ? Block in the Mario franchise.
  • The Magical Seeds special event is the only way for Mystery Block Seeds to be obtained, as they do not drop from broken Mystery Blocks or Mystery Block Trees.
  • When spawned through the Magical Seeds special event, Mystery Block Seeds will only stay in the world for 60 seconds, until the event ends.
    • Prior to the addition of the Beautiful Crystal special event, Mystery Block Seeds that are part of a special event stay for an indefinite amount of time.
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