Timeline of Continent Formation Ruler

Canada Robotix Verified independent store

→

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. Show more