November 3, 2022
Description
All rings are placed into slots in the base, and glued if necassary. Once assembled, the balls will not fall out of the puzzle, even when upside-down. The design at 100% uses 3/8" ball bearings. (https://www.amazon.com/gp/product/B007B2AG7W/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1)
License:
Creative Commons — Attribution — Noncommercial