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  • May include: A grid of small, dark gray, three-dimensional shapes, each resembling a stylized letter 'L' or a corner piece. The shapes are arranged in a dense, repeating pattern against a solid, darker gray background.
  • May include: A dense arrangement of small, dark gray, three-dimensional shapes, resembling stylized crosses or connectors, fills the frame. The objects are evenly spaced and create a textured surface against a solid gray background.
  • May include: A long, rectangular puzzle with a complex maze design. The maze is composed of black lines on a light blue background. The design is intricate and covers the entire surface, with small black squares at each end.
  • May include: A grid of small, dark gray, three-dimensional shapes, each resembling a stylized letter 'L' or a corner piece. The shapes are arranged in a dense, repeating pattern against a solid, darker gray background.
  • May include: A dense arrangement of small, dark gray, three-dimensional shapes, resembling stylized crosses or connectors, fills the frame. The objects are evenly spaced and create a textured surface against a solid gray background.
  • May include: A long, rectangular puzzle with a complex maze design. The maze is composed of black lines on a light blue background. The design is intricate and covers the entire surface, with small black squares at each end.
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Octominoes Puzzle – 369 Unique Pieces | Massive 20x148 Unit Brain Teaser | 3D Printed Puzzle for Adults | Giant Logic Puzzle Challenge

CL

By CL

Owner of ItemsByCL

Please select an option

What to know

Materials

Plastic

Made to Order

Yes

Think you're a puzzle master? Meet your match.

Introducing the Octominoes Puzzle, a colossal challenge featuring 369 unique free-form octomino pieces—each one different, each one essential. This is not your average brain teaser. It’s a 13-pound, 6-day print, 20x148 unit mega puzzle that will push your spatial reasoning to the limit.

🧠 Why You'll Love It:

369 Unique Pieces: No duplicates. Every piece is a new challenge.
Massive Build: Solve it into a stunning 20 x 148 unit rectangle (that’s over 2.6 meters long!).
Precision 3D Printed: Each unit measures 18mm, crafted for a perfect fit.
Epic Challenge: This puzzle is not for the faint of heart—it’s a true test of patience, logic, and determination.
Collector’s Dream: A show-stopping centerpiece for puzzle lovers and logic game collectors.
🎁 Perfect For:

Puzzle collectors
Hardcore logic fans
Unique gift seekers
STEM educators
Anyone who loves a serious challenge

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Price:$166.70

Original Price: $222.27

25% off

•

Limited time sale

Shipping & return policies

  • Order today to get by Jul 28-Aug 11
  • Returns & exchanges accepted within 14 days.
  • Ships from: Canada
  • Cost to ship: $8.92
  • Deliver to United States, 43215

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Meet your seller

ItemsByCL
CL
ItemsByCL ·

Toronto, Canada

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
·
6.7k sales
·
2.5 years on Etsy

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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