A car seat motion simulating apparatus is disclosed. An illustrative embodiment of the apparatus includes a base; a support carried by the base; a main cylinder carried by the support and a main piston extendable from the main cylinder; a plurality of motion cylinders carried by the support and a plurality of motion pistons extendable from the plurality of motion cylinders, respectively; a platform carried by the main piston and the plurality of motion pistons; an air compressor connected to the main cylinder and the plurality of motion cylinders, respectively; and a motion controller connected to the air compressor.