A children's weight lifting set for simulating proper chest muscle exercises includes a bench construction and a lifting rod assembly. A pair of prop arms extends upward from the a support platform of the bench construction. The prop arms include contoured free ends to selectively maintain the lifting rod assembly in a raised position. A set of support legs extending downward from the support platform. The lifting rod assembly includes an elongated bar and a collection of plates. The plates slidably engage mounting regions on the bar and are held in place by retention pins. The plates also include size-indicating indicia and follow a size-indicating color scheme.