Source: Tenmangu goden kiryaku, by Hirata Atsutane (1820) with illustrations by Kuwagata Keisai

Michizane attains the status of deity of scholarship (Tenman Tenjin). In this Edo period picture, young children are encouraged to worship Tenman Tenjin in the hope that he will improve their abilities as scholars and calligraphers.

[information from Robert Borgen, Sugawara no Michizane and the Early Heian Court, pp. 330-31]