 He participated in a group exhibition in the Tel Aviv Museum of Art, and he designed the set for “The White Circle” (1936), a Japanese legend directed by Friedrich Lobe at the “Ohel” Theatre, and for the play, “HaShomrin,” by Ever-Hadani at Habima Theatre.Aroch spent the years 1938-1939 in Amsterdam.The influence of Vincent Van Gogh can be seen in “Vase of Flowers and Still Life” (1938), in which the energetic brushstrokes and the theme typical of Van Gogh stand out.