Mewgenics Mystery Minis Series One blind box
From the Alley to your door

Full Display (8 Boxes)

Nine Mewgenics mini-bosses, taking on plush form for mostly the very first time. Each blind box holds one 4.5-inch plush keychain and a collector's art print. Guard your desk, or clip one to your bag.

$199.99for all 8 boxes$24.99 per box
  • Pre-order · ships February 2027
  • Full 8-box display
Every display is guaranteed one of each Common, plus at least one Uncommon or better.
Full product details ↓

Until October 31, this and every Mewgenics and Binding of Isaac order comes with a free Headless Horseman Four Souls promo card.

crack one open

What's in every display

  1. Magnus plush keychain and art print Magnus Guaranteed
  2. Fenrir plush keychain and art print Fenrir Guaranteed
  3. Lucy plush keychain and art print Lucy Guaranteed
  4. Maisie plush keychain and art print Maisie Guaranteed
  5. Dack plush keychain and art print Dack Guaranteed
  6. Marshmallow plush keychain and art print Marshmallow Guaranteed
  7. Uncommon or better Guaranteed
  8. Mystery box Any mini-boss

Guaranteed one of each Common, plus one box that's Uncommon or better. The 8th box is a mystery: any mini-boss, and it can be a repeat (even another chase!)

Every box: a 4.5" plush keychain + a collector's art print (9.6 × 8 cm)

feeling lucky?

Open a box

How many boxes until you pull a Rare or Epic? Tap the box to start counting.

Just for fun: a simulation using the published approximate odds. Real boxes are randomly packed.

nine to find

Meet the mini-bosses

Each 4.5-inch plush keychain has a ribbon loop and a gold-toned spring ring, so it can guard your desk or ride on your bag.

  • Magnus common
    Common · 1 in 7 boxes
  • Fenrir common
    Common · 1 in 7 boxes
  • Lucy common
    Common · 1 in 7 boxes
  • Maisie common
    Common · 1 in 7 boxes
  • Dack common
    Common · 1 in 7 boxes
  • Marshmallow common
    Common · 1 in 7 boxes
  • Pebbles uncommon
    Uncommon · 1 in 14 boxes
  • Gun rare
    Rare · 1 in 21 boxes
  • Stacy epic
    Epic · 1 in 72 boxes
The odds

Know what you're chasing

The chance any one box holds each mini-boss.The chance a sealed 8-box display has at least one.

  • Magnus 1 in 714.3% of boxes Guaranteed100% of displays
  • Fenrir 1 in 714.3% of boxes Guaranteed100% of displays
  • Lucy 1 in 714.3% of boxes Guaranteed100% of displays
  • Maisie 1 in 714.3% of boxes Guaranteed100% of displays
  • Dack 1 in 714.3% of boxes Guaranteed100% of displays
  • Marshmallow 1 in 714.3% of boxes Guaranteed100% of displays
  • Pebbles 1 in 147.1% of boxes ≈ 4 in 757% of displays
  • Gun 1 in 214.8% of boxes ≈ 2 in 540% of displays
  • Stacy 1 in 721.4% of boxes ≈ 1 in 911% of displays

Every 8-box display

  • Pebbles + Gun together≈ 1 in 14 displays
  • Guaranteedone of each Common + one Uncommon or better
A serialized Stacy art print with gold foil detail next to the standard print
Next level rarity

Serialized art prints

About 1 in 23 boxes

On top of whichever mini-boss is inside, some boxes also hide a serialized art print with gold foil detail: the chase above Epic. Even a Common pull can be the rare one.

  • 4.5-inch plushOne plush keychain per box: a Mewgenics mini-boss.
  • Collector's printOne 9.6 × 8 cm (~3.75 × 3.1 in) art print per box.
  • Clip it onRibbon loop and a gold-toned spring ring keychain.
  • Ships Feb 2027Pre-order a full 8-box display or a single box.

Odds are approximate and represent overall production averages. Contents are randomly packed, so you might get a repeat.

Full product detailsEverything from the listing: contents, odds, shipping and the fine print

This item is a pre-order and will ship in February 2027. Until October 31st, this and all other Mewgenics and Binding of Isaac orders will come with a FREE Headless Horseman Four Souls Promo Card.

From the Alley (and more) to your door, these cats will keep you coming back for more! Taking on plush form formostly the very first time, these iconic Mewgenics mini-bosses make the perfect companion to protect your desk from pesky adventuring parties of cats. They’re also purrfect to clip on a bag with the ribbon loop and gold-toned spring ring keychain!

Each Mewgenics Mystery Minis: Series One box contains one of the following 4.5-inch plush keychains and one 9.6 x 8 cm (~3.75 x 3.1 in) collector’s art print.

  • Magnus (Common, 1/7)

  • Fenrir (Common, 1/7)

  • Lucy (Common, 1/7)

  • Maisie (Common, 1/7)

  • Dack (Common, 1/7)

  • Marshmallow (Common, 1/7)

  • Pebbles (Uncommon, 1/14)

  • Gun (Rare, 1/21)

  • Stacy (Epic, 1/72)

Please note: Odds are approximate and represent overall production averages.

Serialized art prints are also found in approximately 1/23 boxes. It's an extra layer of uniqueness on top of whichever mini-boss is inside, so even a Common pull can be 1-of-1!

Mewgenics Mystery Minis are initially available for pre-order in full 8-box displays, representing the ideal way to turbo-charge your collection! Each full display is guaranteed to contain one copy of each Common rarity plush keychain, and at least one plush keychain of Uncommon rarity or greater.

  • Pebbles (Uncommon): in approx. 4 in 7 displays
  • Gun (Rare): in approx. 2 in 5 displays
  • Stacy (Epic): in approx. 1 in 9 displays
  • Pebbles + Gun together: in approx. 1 in 14 displays

Pre-orders for individual boxes will come at a later date.

Complete the collection

More from the alley

Now meet the full-size cats

Every plush →
Six boxes, six months

The Unboxing of Mewgenics

A collectible box a month with Edmund McMillen. Box 1, Kaiju Fight!, ships in October.

See the plans From the same creator

Isaac turns 15

Edmund's first crying kid is having a birthday: loot, a new hoodie and the free Headless Horseman card.

Enter the basement The whole alley

Everything Mewgenics

Plush, puzzles, cat class collars and more.

Shop the collection