A multiple position child restraint device for use with vehicles, stretchers, cots, beds, and other transport apparatuses, and which can be folded into planar condition for storage and shipment. The restraint device includes substantially planar back support, seat support, and leg support members hingedly attached in serial relationship with one another generally along a longitudinal axis. The hinged connection between the back support and seat members is preferably provided by a pair of oppositely disposed hinges having a plurality of locking slots which align with one another at predetermined angular relationships, and wherein a locking bar fits within the aligned slots to selectively lock the back support and seat members in one of a plurality of predetermined angular orientations. A multiple strap restraint device including a pair of shoulder straps and a releasable buckle secures the child on the seat and back support members, and an arrangement is provided for convenient adjustment of the shoulder straps along the longitudinal length of the back support member to accommodate children of different sizes without disconnecting the straps from the device. Folding lateral support panels are also provided along the opposite longitudinal edges of the seat and back support members.