The materials used are from Hokkaido. Hokkaido craftsmen make each one using a lathe
Landscape Products
Spinning tops manually carved into shape using the traditional technique called Rokurobiki from Asahikawa, Hokkaido. They are made of birch, oak, taxus and sophora. Another material, Umoregi, refers to wood that has been left submerged on a riverbed for many years, and has a distinctive color.