Abstract: A child's seat assembly includes components enabling mental stimulation, entertainment and comfort for a child or infant while they are sitting in a car seat assembly. A car seat assembly includes a car seat, a cup-holder and an interchangeable cup-holder control enabling access to media, educational tools and two-way, person-to-person communication. A car seat assembly includes a car seat, safety straps for securing occupant in the seat, handle, a canopy to block sunlight or receive a projection, car seat mounting base, crush barrier and a projector. A car seat assembly includes a removable handle pad for holding a smart phone. A removable handle pad for holding for holding a smart phone includes a pad and a smart phone pouch on the surface of the pad. The car seat assembly of the invention is intended for use with an infant or toddler.