画材
Noun
1
noun (common) (futsuumeishi)
subject matter of a painting
2
noun (common) (futsuumeishi)
art supplies;art materials
できたらスケッチブックと４Ｂの鉛筆も買ってきておいてね。まだそんなに高い画材はいらないよ。
If you can, get a sketchbook and a 4B pencil. You don't need such expensive art materials yet.