Hyperboloid Burr - 6/7 Piece Brass Puzzle Design by Oskar Metal The HoKey CoKey was a

The HoKey CoKey was a Jury 1st Prize Winner in the 2019 Nob Yoshigahara Puzzle Design Competition Each puzzle comes with an engraved keychain bottle opener

but are otherwise identical

and four different vertices

and the caps come in a random colour (because panic should always be a surprise)

We reached out to our puzzling mate Allard

Hyperboloid Burr - 6/7 Piece Brass Puzzle Design by Oskar Metal The HoKey CoKey was aThe Hyperboloid Burr is a six piece burr puzzle made from identical hyperboloid pieces. It was designed by Oskar van Deventer with the help of Naoaki Takashima. A wooden version was made as a limited (sold out) edition for Naoaki Takashima by the Kanagawa Toy Company in Odawara. While working on the wooden pieces, the manager of Kanagawa Toy found an unexpected 7 piece solution. A 3D printed version is also available. With Oskar's permission, we have