Half Hour Cube | Stewart Coffin 1975 Wooden 3x3x3 Puzzle handmade birch frame Your goal is to fit

Your goal is to fit them into the center positions of the frame

but beyond that you can use your imagination to make wondrous shapes

it is both a beautiful display and a rewarding challenge

Deeply laser-engraved text

The puzzle dates from 1914

Half Hour Cube | Stewart Coffin 1975 Wooden 3x3x3 Puzzle handmade birch frame Your goal is to fitHalf Hour Cube is a handcrafted wooden 3x3x3 cube brain teaser designed by Stewart Coffin in 1975. Coffin estimated a half hour as a good solution time. It looks like a Soma Cube, but where Soma has 240 valid solutions, this has only one. Each puzzle is handcrafted from precision cut hardwoods by Creative Crafthouse with Stewart Coffin's permission. Includes a base and cover for display and travel. 3x3x3 cube format. One solution only. Ships unsolved.