![Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912) Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.IMJ.0052330.7055475/329321.jpg)
Image of 'Devil's work' ball with 14 concentric balls inside, Canton (ivory) by Chinese School, Qing Dynasty (1644-1912)
![A Chinese ivory puzzle ball which dates back to the Ming Dynasty (1368-1643). Chinese puzzle balls are intricately carved artifacts consisting of several concentric spheres, each freely rotating within the next and A Chinese ivory puzzle ball which dates back to the Ming Dynasty (1368-1643). Chinese puzzle balls are intricately carved artifacts consisting of several concentric spheres, each freely rotating within the next and](https://i.redd.it/jx8lzqljo9v71.jpg)
A Chinese ivory puzzle ball which dates back to the Ming Dynasty (1368-1643). Chinese puzzle balls are intricately carved artifacts consisting of several concentric spheres, each freely rotating within the next and
Chinese puzzle ball, a classic carving art that creates concentric hollow spheres from solid blocks, has long left many in awe. Though traditionally an ivory carving technique, the skill has now been
![The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram](https://www.researchgate.net/publication/239211116/figure/fig1/AS:671507088957460@1537111174748/The-concentric-balls-are-centered-at-the-origin-and-have-radii-equal-to-one-and-three.png)
The concentric balls are centered at the origin and have radii equal to... | Download Scientific Diagram
![Purpledip Classical Maze: Three Small Steel Balls Inside Concentric Circle Maze (10421) : Amazon.co.uk: Toys & Games Purpledip Classical Maze: Three Small Steel Balls Inside Concentric Circle Maze (10421) : Amazon.co.uk: Toys & Games](https://m.media-amazon.com/images/I/71b1418KbHL._AC_UF894,1000_QL80_.jpg)
Purpledip Classical Maze: Three Small Steel Balls Inside Concentric Circle Maze (10421) : Amazon.co.uk: Toys & Games
![A carved Chinese soap stone puzzle ball with six concentric layers, H10.5cm. - Decorative Antiques & Collectors Sale A carved Chinese soap stone puzzle ball with six concentric layers, H10.5cm. - Decorative Antiques & Collectors Sale](https://www.davidduggleby.com/files/images/auctions/GUID/52e24847-4799-405c-83de-b34dbca3487c.jpg)