Creative Crafthouse

Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle

Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle - Main image
Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle - View 2
$19.35 $26.5 In stock

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: 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.

Made by Creative Crafthouse and shipped from our Florida shop.

Customer Reviews (5.0 / 5 · 2 reviews)

Aurora U. ★★★★★

Every piece slides into place with such satisfying precision, and the way they interlock means it actually holds together as a cube instead of just sitting there. I've solved it a few times now, and each reassembly feels like a fresh puzzle.

Grace B. ★★★★★

Took me a while to figure out how the seven pieces actually interlock, but the satisfying click when the cube comes together makes it all worth it. The wood has a nice smooth finish that feels great in the hands.