Showed Arpita some Pablo Picasso’s art work and then discovered a few videos on the net teaching that style. Following those videos she created her own oil pastel. It is easy and may be her friends can try it too.
“Cubism was one of the most influential visual art styles of the early twentieth century. It was created by Pablo Picasso (Spanish, 1881–1973) and Georges Braque (French, 1882–1963) in Paris between 1907 and 1914”.