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Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle stem activities Key Features:

SKU 4824037920
4.7
SEK26.50 SEK74.50

Pay in 4 interest-free payments of $6.62 Learn more

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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

Description

Key Features:

The Decision Maker comes neatly packaged

Praying monks

Complete Instructions Included: Learn basic and advanced encryption methods written by Mic Healey of CIPHERTOWN

A unique Creative Crafthouse designed puzzle with Alpha logic by Ken Irvine of New Jersey

Convolution Blockhead | Stewart Coffin 4x4x4 Cube Puzzle stem activities Key Features: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

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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