The biggest Vanga-Gedmantaite Galkuviene output consists of a children's book illustrations. In this area of graphics artist was involved when various Lithuanian illustrators had worked rapidly and showed general features to the national schools. She tried to speak with children in a unique and simplified language and to develop their aesthetic sense, stimulate creative powers.
In recent decades, this talented artist has created a number of paintings. Her hand seems to be completely spontaneous. In many places approaching the abstract definition but still recognizable reality and forms of human-nature relationship inspired imagery. Various painters' tools at its disposal (pastel, watercolor, tempera, felt-tip pens), often used in mixed media, helps to get rich colors, unusual combinations of décor and expression.