About Bodhisattva statues of Sri Lanka

Although currently a Theravada Buddhism flourishing country, the Mahayana cult of worshipping Bodhisattva statues has existed in ancient Sri Lanka. Archaeological evidences show that Bodhisattva cult had existed as a secondary cult inferior to worship of Buddha during the Anuradhapura period. This can be assumed by the surviving Bodhisattva statues.
13th century copy of the Taima Mandala. Japan, Kamakura period.

Buddhist art – The devotional artistic practices

Buddhist is the artistic practices that are influenced by Buddhism. It includes art media which depict Buddhas, bodhisattvas, and other entities, notable Buddhist figures, both historical and mythical, narrative scenes from the lives of all of these, and other graphic aids to practice, as well as physical objects associated with Buddhist practice, such as vajras, bells, stupas and Buddhist temple architecture. Buddhist art originated on the Indian subcontinent following the historical life .