Sketch: A young woman is holding a textbook in class.

Sketch: A schoolbag (with a model), a ping-pong ball and a ping-pong bat, a white porcelain pen container, three pieces of chalk and an interlining.

Gouache: a bottle of coke, three apples (one of which is peeled), three fruit candies, three watermelons on a white plate, a fruit knife with a black handle and two layers. The color should be warm.