What was the purpose of the terracotta animal figurines discovered at Kondapur?

What was the purpose of the terracotta animal figurines discovered at Kondapur?

Lohuizen-de Leeuw, J. E. van

Kusumanjali--a New Interpretation of Indian Art and Culture, Vol. 2, M. S. Nagaraja Rao, ed., Delhi: Agam Kala Prakashan, 1987, 369-371