Order by June 8th for free laser engraving on orders over $50 in our Father's Day collection

Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle

✓ In stock, ready to ship
Sale price$19.88 Regular price $26.50

Delivery and Shipping

All standard orders normally ship within 1 business day.

Custom orders normally ship within 2 business days.

Description

Convolution Blockhead is a handcrafted wooden brain teaser designed by Stewart Coffin. Seven intricately cut pieces assemble into a 4x4x4 cube. The pieces do not just pack together. They interlock in a specific sequence, which adds depth beyond a typical packing puzzle.

Handcrafted by Creative Crafthouse with Stewart Coffin's permission. Each puzzle is precision-cut for an excellent fit.

  • Dimensions: about 2.75 inches per side when assembled.
  • 7 interlocking pieces. Sequential assembly required.
  • Difficulty: Level 4. Designed for serious puzzle solvers.
  • Engrave up to 45 characters at checkout.
  • Browse more designs in the Stewart Coffin puzzles collection.

Handcrafted by Creative Crafthouse in Hudson, Florida.

Personalize it!

Add a personalized laser engraving to your puzzle or game.

  • Perfect for gifts
  • Business marketing opportunity

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Product Specifications

Materials
Wood
Difficulty Level
Hard
Age Range
Teens (13-18 years), Adults (18+ years), Seniors (65+ years)
Piece Count
7
What's Included
Puzzle pieces (7), Instructions and solution sheet (1)
Cognitive Benefits
Brain Training
Gift Occasions
Christmas, Birthday, Holidays, Father's Day
Personalization Available
Yes
Puzzle Type
Assembly, 3D Cube
Category
Brain Teaser Puzzle
Availability
In Stock

Personalize It!

Did you know we can add a custom laser engraving to every puzzle and game? Well, we can. Add a personal touch to your gift with a name or message.

Personalized laser engraving

a puzzle being laser engraved with personalized text by creative crafthouse

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Frequently Asked Questions

What is Convolution Blockhead?

A handcrafted wooden brain teaser designed by Stewart Coffin. Seven intricately cut pieces assemble into a 4x4x4 cube via a specific interlocking sequence.

Who is Stewart Coffin?

Stewart Coffin is one of the most respected names in mechanical puzzle design. Creative Crafthouse produces faithful reproductions of his work with his permission.

How is this different from a packing puzzle?

The pieces do not just fit together. They interlock in a specific sequence, which adds depth and difficulty beyond a typical packing puzzle.

How difficult is Convolution Blockhead?

Level 4. Extremely difficult. Designed for serious puzzle solvers.

What are the dimensions?

About 2.75 inches per side when fully assembled.

What is included?

7 interlocking wooden pieces. Ships unsolved.

Can I personalize Convolution Blockhead?

Yes. We laser engrave up to 45 characters at checkout.

Was this made with Stewart Coffin's permission?

Yes. Creative Crafthouse makes this reproduction with Stewart Coffin's permission. Handcrafted in Hudson, Florida.

Do you carry other Stewart Coffin designs?

Yes. Browse the full Stewart Coffin puzzles collection: https://www.creativecrafthouse.com/collections/stewart-coffin-puzzles

How fast do orders ship?

Standard orders typically ship within 1 business day. Personalized orders usually ship within 2 business days.