The Indus River civilization has many inventions that helped them do things, for example, a button. The buttons are made of seashells, they are cut geometric shapes and a hole in the middle. Anther cool, invention is the ruler! The Indus Valley invented a ruler made of ivory that has amazing accuracy . Another important invention of the Indus people is the stepwell. The stepwell is a descending of steps leading into a pond or bath. The rulers the Indus people had made could measure up to 0.005 of a inch.

Important Inventions: