finger-painting

US /ˈfɪŋ.ɡɚˌpeɪn.tɪŋ/
UK /ˈfɪŋ.ɡɚˌpeɪn.tɪŋ/
"finger-painting" picture
1.

a technique of painting with the fingers, usually with thick, non-toxic paints, often used by young children

:
The children enjoyed finger-painting in art class.
She hung her son's finger-painting on the refrigerator.
1.

to paint using the fingers, typically with thick, non-toxic paints

:
The toddlers loved to finger-paint with bright colors.
We decided to finger-paint a mural on the classroom wall.