A 23-year-old maths graduate and software designer has spent the last six months transforming the walls of his Auckland flat, into an elaborate marble maze.
In the end, he entered it into a competition to imaginatively smash a Cadbury Crème Egg, however he did not win.
The video ended up on YouTube and enchanted thousands of viewers.
John Campbell met up with Joseph Herscher to discuss his brilliant kinetic masterpiece.
Link to video on YouTube
source: newshub archive