A hand-held controller unit for providing psychological comfort to a frightened child, said hand-held controller unit comprising: a housing; a user interface integrated with said housing and configured to respond to a child-initiated action; a user interface control circuit integrated within said housing and operatively connected to said user interface; comprising: a walkie-talkie circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit, wherein said walkie-talkie circuit is configured in use to facilitate two-way verbal communication between the child and a parent who has in use another walkie-talkie transceiver device; at least one activating transmitter circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit and configured to wirelessly activate at least one external device, located remotely from said hand-held controller unit, in response to a child-initiated action via the user interface, wherein, in use, an activation of said at least one external device results in said at least one external device producing one or more of an alternating audible sound, a pulsating visible light, or a flashing visible light; and at least one energy-emitting device integrated with said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit. a housing; a user interface integrated with said housing and configured to respond to a child-initiated action; a user interface control circuit integrated within said housing and operatively connected to said user interface; comprising: a walkie-talkie circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit, wherein said walkie-talkie circuit is configured in use to facilitate two-way verbal communication between the child and a parent who has in use another walkie-talkie transceiver device; at least one activating transmitter circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit and configured to wirelessly activate at least one external device, located remotely from said hand-held controller unit, in response to a child-initiated action via the user interface, wherein, in use, an activation of said at least one external device results in said at least one external device producing one or more of an alternating audible sound, a pulsating visible light, or a flashing visible light; and at least one energy-emitting device integrated with said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit. a walkie-talkie circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit, wherein said walkie-talkie circuit is configured in use to facilitate two-way verbal communication between the child and a parent who has in use another walkie-talkie transceiver device; at least one activating transmitter circuit integrated within said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit and configured to wirelessly activate at least one external device, located remotely from said hand-held controller unit, in response to a child-initiated action via the user interface, wherein, in use, an activation of said at least one external device results in said at least one external device producing one or more of an alternating audible sound, a pulsating visible light, or a flashing visible light; and at least one energy-emitting device integrated with said housing and operatively connected to a dedicated user-activating means on said user interface connected to the control circuit.