Shaw developed the techniques and materials required for finger painting. He was noted for painting human figures and doing occasional finger painting. An exhibition of finger painting art took place in Manhattan in 1933. He is also a proponent of "finger painting". She was invited to lecture about finger painting and organize exhibitions. Finger painting workshops were started for adults. Activities ranged from finger painting, making toys with pipe cleaners, modeling clay or drawing. She published a book in 1934, titled "Finger Painting&colon; A Perfect Medium for Self-Expression".