"baby gear" refers to all the things and equipment needed for taking care of a baby. It includes items like strollers, car seats, cribs, bottles, diapers, and toys. Full definition
This toy is 4 pieces of baby gear in 1. (thespruce.com)
High chairs are a basic item in baby gear, and most parents hold off on buying one until it's time to use one, unless getting one as a gift. (thebabycorner.com)