it is here. >> reporter: to help, florida state senator lauren book and her 4-year-old twins started making and hand delivering homemade cards like these to the rescuers on site, which she said brought many to tears. >> we started asking for cards. then elementary schools and camps started sending their cards in and bringing their cards to our is that the offices. every day we started handing out more and more cards. we're in 500 plus now. so we've really just started handing them out and giving these small pieces of love to these first responders. >> reporter: this first responder was overwhelmed by such kindness when he needed it most. >> we've got all the bandages and tools to address any situation. but to warm the heart, a letter from a child is always one of those that really soothes the soul. >> the rescue workers i talked to, randi, are physically and emotionally spent. i'm sure those cards made such a big difference. they are still calling this officially a search and rescue