Activity & Learning Toys

Urine Formation Dynamic Model, Electric Biological Teaching Model with LED Light, 3D Dynamic Demonstration, Adjustable Speed, Suitable for Science Classroom Lea [Working principle]: This model adopts the principle of integrated circuits, and displays glomerular filtration and tubular reabsorption through light-emitting tubes [Dynamic model of urine generation]: This model can intuitively reflect the... Urine Formation Dynamic Model, Electric Biological Teaching Model with LED Light, 3D Dynamic Demonstration, Adjustable Speed, Suitable for Science Classroom Lea