Echidnahedron Puzzle
Source
G4G15
Title
Echidnahedron Puzzle
Contributor
Bob Hearn
Description
This is a 12-piece puzzle assembling to form the final stellation of the regular icosahedron, a spiky shape also known as the echidnahedron.
Identifier
G15-133-1
Collection
Citation
“Echidnahedron Puzzle,” G4G Gift Exchange Archive, accessed May 13, 2026, https://g4gexchangearchive.omeka.net/items/show/1792.
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