BLOCK HOUSE™.  # 378.  £10.00

A difficult 6-piece cube.

Discovered by Stewart Coffin, he named it ‘The Half Hour Puzzle’ but it’ll probably take you a lot longer!

Difficulty -: 3.

Instructions included.

Solution available.

Wood type -: Samanea.
Packaging -: Transparent PVC.

Dimensions 70x70x70 mm.
Weight 120 grams.

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