A lighted toy figurine comprises a figurine body assembly and a headgear assembly. The figurine body assembly includes a head and a body section. The headgear assembly includes a headpiece and a pack element extending downwardly therefrom along a side of the body section. The pack element includes a power source and light powered thereby. The headpiece defines an internal channel communicating between a headpiece opening and the light such that illumination from the light is visible through the headpiece opening via the internal channel. An inductive power transfer system for an interlocking building block set comprises a toy building block and an inductive transmission assembly. The toy building block includes an electrical load and a power source, the power source including an inductive receiver coil. The inductive transmission assembly includes a transmission coil, and a battery or a wired power supply applying electrical power to the transmission coil.