1. Inhalt
  2. Navigation
  3. Weitere Inhalte
  4. Metanavigation
  5. Suche
  6. Choose from 30 Languages


Puzzles galore: Oskar van Deventer

Oskar van Deventer from the Netherlands has invented more than 500 mechanical puzzles. He presents new ones on YouTube each week. They’re produced with a 3D printer.

Watch video 04:50