So people could overcome language barriers to learning about participatory bugeting. The existing verion of the PBP's video introduction to participatory budgeting with spanish subtitles is super useful:
I low cost PB squared project might be to simply do the same for other languages. Most useful for me in my community would be Russian, Mandran Chinese, and Veitnamese.
Perhaps a higher cost project could be to create a new introductory videos designed for different ethnic/langauge groups.