Interlock 4 | Stewart Coffin 3x3x3 Wooden Cube Puzzle custom code box Each piece is precision laser-cut

Each piece is precision laser-cut from contrasting hardwoods with a smooth finish

Comes with a written solution

• Inspired by the remarkable mathematical discovery of Einstein tiles

an artistic and stimulating brain teaser

Interlock 4 | Stewart Coffin 3x3x3 Wooden Cube Puzzle custom code box Each piece is precision laser-cutInterlock 4 is a handcrafted wooden cube brain teaser designed by Stewart Coffin. Four uniquely shaped pieces reassemble into a perfect 3x3x3 cube. The catch: the pieces do not just fit. They interlock in a specific sequence, so order and orientation matter as much as shape. Handcrafted by Creative Crafthouse with Stewart Coffin's permission. Precision cut pieces with natural contrasting wood tones. 4 wooden pieces. Forms a clean 3x3x3 cube when