Model-Heart two parts, 100cm tall, Communicate the basics of heart anatomy to beginning biology students, Colorful and durable, features both external and internal components, including valves, two-piece model is mounted on a stand and can be removed for up-close study
Ant Life Cycle Stages, Children can see how ants change as they grow with Insect Lore’s Ant Life Cycle Stages. These oversized, anatomically correct figures have been accurately painted and sculpted to show the four stages of ant development: eggs, larva, pupa and adult.
Model shows the transverse and longitudinal section of a dicotyledonous stem in which case the cambium ring has been formed but no secondary growth has taken place.
Model Functional Lung Apparatus, unique and easy-to-use model features parts that replicate the actions of respiration, Easy to Assemble, includes an acrylic bell jar, Y tube, two balloons, rubber diaphragm with a knob for ease of movement, and an instruction manual