In order to sketch anytime, anywhere, anything, Atsuko uses the minimum materials.
Here is the sketch kit recommend.
* Sketch kit *
B5 sized ringbound Sketchbook
Set of 12 Staedtler watercolor pencils
0.3 drawing pen
Water bottle brush
Atsuko offers the kit for 3000 yen if needed.
If you have anything similar to these at home, please use them.