Revue sur les Rotring Isograph
5:09
How to NOT fix a rotring Isograph
15:20
Rotring 600 3 in 1 Multi-Pen Review - The First New Rotring 600
17:12
Review: Rotring Mechanical Pencils; Tikki, 300, 500, 600, 800, and Rapid Pro Comparison | 555 Gear
14:06
Technical pens VS Fineliners
5:49
Fixing a Rotring Isograph pen nib that suffers a bent wire
19:44
Рапидограф vs Изограф
42:15
Apprendre la programmation pour les enfants ( et plus âgés ! ) [ Tuto Scratch en français ]
28:49