Research GCN online and put together a slideshow on your laptop. Share the images & talk to people about GCN to educated them on the needs of the girls.
If your church or temple, has a day when people do good deeds, you might be able to set up an educational table. Try & collect $14 from families.
When girls arrive at a GCN Empowerment Village, they receive a rescue kit. It includes: oil, corn meal, sugar, soy, soap, vaseline and sanitary pads. These supplies last the girls a few months and costs $14 to put together.