This ball consists of four separate, perforated balls inside one another, with a marble sized ball in the centre. It is an example of an impossible object, so called because the puzzle is ‘How is it made?’. It was purchased new in Taipei, Taiwan.
Puzzle Chinese ball made in stone
Item Details
| Size | Outer diameter 95mm. |
|---|---|
| Date | Late 20th century. |
| Key Phrases | Impossible object |
| Category | Puzzles |
| Ref no | N3174 P398 |