Why is Ganesh idol made of clay only scientific?
If the idol of Shri Ganesh is sculpted as per the science behind the idol then the pure spiritual particles of Shri Ganesh get attracted towards the idol to a greater extent and those worshipping it are benefited.
Sri Ganeshji Visarjan – Ananta Chaturdashi
By immersing the idol in flowing water the Ganesh Principle in the idol also flows and spreads far and wide. With the evaporation of the water charged with the Ganesh Principle, the entire environment also becomes sattvik.