The boys find a Turkish chess machine in the museum's storerooms and win a magic crystal with which they can subdue objects to their will. A doll, a puck at a match of their favorite hockey team.... And even a teacher.
Unfortunately the movie Crystal from Istanbul is not yet available on HBO Max.
| Crew | Štefan Sokol | Dramaturgy |
| Writing | Jaroslava Blažková | Screenplay |
| Costume & Make-Up | Jozef Škopek | Makeup & Hair |
| Camera | Vladimír Ješina | Director of Photography |
| Costume & Make-Up | Anna Liďáková | Costume Design |
| Editing | Alfréd Benčič | Editor |
| Art | Ivan Vaníček | Production Design |
| Sound | Ilja Zeljenka | Original Music Composer |
| Camera | Stanislav Daníček | Camera Operator |
| Crew | Jan Dudešek | Special Effects |
| Crew | Milan Peťovský | Special Effects |
| Production | Igor Fábry | Production Manager |
| Sound | Vlastimil Horák | Conductor |
| Art | Tibor Molnár | Set Decoration |
| Directing | Sylvia Lacková | First Assistant Director |
| Production | Anton Vyskočil | Unit Production Manager |
| Crew | Klotilda Kováčová | Script |
| Sound | Jaroslav Plavec | Sound |
| Directing | Vladislav Pavlovič | Director |