3 years & up. Children can move through a space at their own pace when provided with the right affordances. Create smoother transitions between areas in the classroom, in hallways, and in transitional spaces like entryways using The Carolina Connections Explorer Rail. Curved rails at two different heights support children who are sitting or standing, offering increased mobility and inclusive experiences. Unit features a plywood back panel and an easy-to-clean, heavy-duty plastic rail, making this sturdy rail durable enough for continued use in children's learning spaces. Rail measures 47.5"W x 6"H x 6"D.