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.