Fossils of Different Eras (cosmic)
Help your students learn about early life forms through fossils. These 3 part cards based on Montessori philosophy introduce students to Animals of the Cenezoic, Mesozoic, Paleozoic and Precambrian Eras.
A control chart is included so students can see what times the animals lived.
US spelling only. Reference is made to sizes in meters and in feet.