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
Science Plant Cell Model 4D, 6in model contains 24 detachable, hand-painted parts and a display stand, Transparent outside for seeing internal structures and super detailed parts, Also includes illustrated assembly guide, description of the anatomy, For ages 8 Plus
Model Stages Of Fertilisation, Dimensions: 35x21x20 cm, begin the growth into an embryo, The various stages are shown in larger-than-life model form in an ovary, fallopian tube and womb. An even more enlarged illustration of each is also printed on the base