NunuSigns is a resource for parents and caregivers who want to learn American Sign Language signs to use with babies and toddlers. It provides a free First Signs pack, along with materials for learning and practicing signs in everyday interactions. The site includes printable resources, routines for incorporating signs into daily activities, and a practice mode. A typical workflow involves learning signs, using the printables or routines as references, and practicing the signs with a child during regular caregiving activities. The available information does not specify technical requirements or supported devices.