A projectile in form of a spherical ball, a prolate spheroid ball, an oblate spheroid ball, a missile-shaped projectile, a tubular projectile, or a cone-shaped projectile, comprising electronic circuitries for performing at least one of projectile motion, impact, speed, force, rotation, gyration, and vibration sensing, interactive light and sound generation, projectile location tracking, data communication, and user control interfacing; and compartments or cavities in, and/or subsurface concavities around the main body of the projectile, each compartment, cavity, or subsurface concavity is configured to accommodate and allow attachment of an interchangeable module; wherein the one or more interchangeable modules comprises at least one of speaker modules, light modules, tail modules, logo panel modules, light modules, electronic display modules, wing modules, and fin modules.
