A demonstration program is a small-scale project or activity that shows how something works or what it can do. It allows people to see and understand the features or benefits of a new concept, idea, product, or service. Full definition
She has worked with demonstration programs in technology and character education, among others, and on such program initiatives as standards for reviewing and selecting applicants for grant funding. (www2.ed.gov)
That sort of demonstration program could work well in other policy domains, too. (educationnext.org)
We also work with State and local officials to implement demonstration programs, which, if successful, are then implemented in other jurisdictions. (transportation.gov)