Uncle Goose Wooden Blocks - FossilAn amazing educational set for little geo fanssee and feel 16 earth tone fossils while exploring time periods, eras, and rock layers. With slate blue tones and geography inspired accents, each block is designed to spark questions and curiosity as kids learn how our planets story is pieced together. The blocks feature two debossed sides with fossil illustrations, plus four printed sides showing the fossils location, time period, era, and rock layer.