STUDY OF COASTAL SUBSOIL GEOTECHNICAL CONDITIONS

A light-emitting structure of a decorative toy including a frame including an inner side wall and an outer side wall between which there is a groove provided with a plurality of partitions. A transparent upper cover is arranged on a top of the frame and a printed circuit board is mounted on a lower side of the frame. A plurality of light emitting members are at a circumference of the circuit board adapted to be located within the groove of the frame controlling means is electrically connected to the light emitting members via an electrical cord and provided with a loudspeaker and a switch. A translucent gem is filled into the groove of the frame to form a translucent region around a circumferential portion of the frame and to fix the printed circuit board within the frame. A bottom cover is fixedly mounted on a bottom side of the frame.