Dayan Guhong Pro+ M (maglev) Calvin's Puzzles The Coin Tetrahedron is designed

The Coin Tetrahedron is designed by puzzle artist Kevin Uhrik

AKA Platypus

5) Storage lubrication

This cube has a very stable controllable feel

with every edge shared by 2 faces

Dayan Guhong Pro+ M (maglev) Calvin's Puzzles The Coin Tetrahedron is designedThis is an update of the acclaimed Guhong Pro, with the adjustment systems from the Zhanchi v5 and Dayan's other recent releases ported to it, greatly increasing its customisability. As with the original Guhong Pro, this cube comes in three sizes, making it easier to find the perfect cube for your hands. (AKA Guhong Pro Plus M.) Note: We are not planning to stock the spring version at this time.