Hollow Brain Teaser Cube by Meffert
Hollow Brain Teaser Cube by Meffert's - Kitty Hawk Kites Online Store Hollow Brain Teaser Cube by Meffert's - Kitty Hawk Kites Online Store

Project Genius

Hollow Brain Teaser Cube by Meffert's

$29.99

220803

A twist on the classic Hollow Cube is the newest technical innovation in twisty puzzles. With no core inside this unique puzzle, the Hollow Cube has nothing to hide. Don't...