molecular model set

set of elements (usually plastic) representing atoms and bonds that is used in teaching chemistry

en-US/moʊˈlɛkjəlæɹ ˈmɑdəl ˈsɛt/
en-GB/məˈlɛkjʊlə ˈmɒdəl ˈsɛt/

دسته بندی ها:

teaching method