5 Billion Years Of History on Planet Earth.
"The Prehistoric Life Folding Ruler shows the history of our planet with a focus on flora & fauna. With amazing pictures and the size of the main animals this ruler shows 5 billion years from Cambrian to Quarternary."
"The four-color side of this wooden ruler presents the evolution of life
on our planet in detailed pictures. The opposite side provides
information like the scientific names or the size of the depicted
plants and animals. The succession of the earth historic epochs (in
German, English and French) unfolds here. A “snapshot” of
Contintal Drift and a timeline delineating each epoch in black type
helps the user to comprehend the immense time periods over which
life evolved on our planet. The appearance of dinosaurs, when
mammals took over, the first insects or flowers, how life left the seas
to conquer land: All this is shown on the PRE-HISTORIC LIFE
Dimensions: L 24cm x B 2cm x H 3.5cm