A BABY CARRIAGE ROCKER DEVICE FOR A BABY CARRIAGE OF THE TYPE HAVING A COACH RESILIENTLY MOUNTED ON A FRAME WHEREIN THE FRAME IS SUPPORTED BY AT LEAST TWO SPACED AXLES, THE DEVICE INCLUDES A MOTOR HAVING A ROTATABLE SHAFT WHICH MOUNTS A DISC PROVIDED WITH AN ECCENTRICALLY LOCATED PIN. THE MOTOR IS SUPPORTED BY MEANS WHICH EXTENDS BETWEEN AND IS CONNECTED TO THE AXLES SO THAT THE WEIGHT OF THE MOTOR DOES NOT UNBALANCE THE CARRIAGE. THE PIN IS CONNECTED TO ONE SIDE OF THE FRAME BY A SPRING CONNECTION SO THAT THE ROTATION OF THE SHAFT AFFECTS ROCKING OF THE CARRIAGE.