Abstract: A reconfigurable chair for use with infants, toddlers and small children. A chair base has a pair of channel members extending forward and aft of the chair base and providing a seat reference plane for a removable seat having a back and a platform. The seat is provided with first and second laterally extending guides engagable with the channels in the chair base. Several seat position detents are provided in each channel. Additional detents are provided above the reference plane at the rear of the chair base to enable the seat to be installed at an angle when used with an infant. When used with a toddler or a small child, the seat can be arranged in either an upright or an inverted mode. An auxiliary tray can be mounted either in a conventional fashion from the front of the chair base or from either side for infant feeding.