What type of model is described below John built a model of a frog skeleton using toothpicks.?

John built a physical or skeletal model of a frog using toothpicks, which represents the structure of the frog's skeleton. This type of model is often used for educational purposes to help visualize and understand anatomical features. It is an example of a three-dimensional model, as it provides a tangible representation of the frog's skeletal system.