![Mefferts Hollow Skewb Ultimate Activities Project Genius [SK]](http://thegamersden.com/cdn/shop/products/7222921665703741185-74845.jpg?v=1681844579)
Mefferts Hollow Skewb Ultimate
$12.50
The asymmetrical shapes give this dodecahedron twisty puzzle an added layer of complexity. The re-engingeered design allows you to see right through the puzzle and understand how the puzzle operates.