Timeline of Continent Formation Ruler

The front of the ruler is engraved with information on the formation of the current continents since the last supercontinent Pangea.

On the back of the ruler there is a 250 million year timeline with the shapes of the continents depicted during some of the major periods.

The rules has inch and centimeter scales.
It is 30 cm (12 inches) long and 3 cm (1.2 inches) wide.
The ruler is made from 3mm high quality Baltic Birch.

This is an unique gift. Ideal for teachers or students.