Abstract: The present invention discloses a decorative lighting system for a terrarium having a lid and a body comprising: a plurality of lighting elements, each lighting element having a light source, and a decorative member to cover the light source; an electrical powering arrangement having a switch, at least one electrical wiring to electrically coupled with the plurality of lighting elements to be lit via the switch, the switch is adapted to be coupled to the lid of the terrarium in such a manner that the switch protrudes from the lid to be accessed by a user from outside; a plurality of stalks, each stalk of the plurality of stalks having a top end portion and a bottom end portion, the top end portion having an attaching mechanism to detachably attach the lighting element and the at least one electrical wiring; and plurality of suction cups.