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| Bidder | Amount | Date |
|---|---|---|
| t****t 218 | €16.00 | 06.05.2020 09:22:32 |
| f****s 48 | €15.00 | 06.05.2020 09:22:32 |
| t****t 218 | €13.00 | 28.04.2020 11:09:08 |
| m****2 177 | €12.00 | 28.04.2020 11:09:08 |
| t****t 218 | €10.00 | 22.04.2020 20:03:21 |
From the set of IPP16 exchange puzzles this is "Hemi-Spheres".
Exchanged by Bernhard Wiezorke, produced by Jean-Claude Constantin.
A topological puzzle, labelled as disentanglement because it get entangled and disentangled during the solve.
The hemi sprere diameter is less than 3 cm, since it is packed in a box measuring 10 x 6 x 3 cm.