Single student or group, Learn about the effects of mercury poisoning on the brain, Model the flow of toxins and energy through an ecosystem's food chains and food webs, Develop the concept of biological magnification for environmental toxins.
Metal base, with 5 casters, Dimensions: 53.3 x 53.3 x 17.8 cm, features extraordinary stability and durability. The 5 large casters ensure that the stand is stable and easy to handle, The base is compatible with all 3B skeletons and the 3B muscle figures B50 and B51