Aggvent Calendar Day 9
3:26
Aggvent Calendar Day 10
6:53
Aggvent Calendar Day 29
7:02
Aggvent Calendar Day 31
5:57
How to draw all polygons, draw all polygons easily
18:14
Could you pass this interview? The famous batteries and flashlight logic puzzle
7:22
This Geometry Challenge Took a While
56:23
Comment Deux Amis Changent Un Château Abandonné En Hôtel 4 Etoiles | @chateaudutheil
10:16