Model, Lesser Celandine Flower (Ficaria verna), Enlarged 10x life-size, 1-part, Family: Ranunculaceae, The family of Ranunculaceae depicts an ancient flower structure. Also known as both the buttercup or crowfoot family, Dimensions: 39 cm, weight: 1.1 kg
Model, Aragonite Crystal, is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3, It is formed by biological and physical processes, includes 44 1 inch balls,