Model, Pyrite Crystal, The mineral pyrite, or iron pyrite, also known as fools gold, is an iron sulfide with the chemical formula FeS2, metallic luster and pale brass-yellow, contains 40-1 inch balls, Dimensions: 24 x
Model, Magnetic Heart, life-size, 5 parts, 2 atria and 2 ventricles show all the normal anatomical structures of the papillary muscles and heart valves, it shows both the diastolic and systolic state, Dimensions: 25 x 21 x 13 cm, weight: 1.3 kg
Structure of the Earth 3-D Model Kit-10 Student Model Template Sets and Teacher Guide, Vinyl Pouch, Assemble and use 3-D models to visualize and investigate key science structures, Perfect for use in classroom, lab or at home, Satisfies NGSS Standards, Grade: 6-10, Material: Paper, LxW: 12X19in