The present invention relates to a themed playroom system having a double floor structure of a racing floor and a themed playroom floor that is capable of providing a safe play environment. According to the present invention, the themed playroom system includes: a racing floor formed by a first floor, first side walls surrounding the first floor and a first ceiling; a themed playroom floor formed by a space dividing floor along the first side walls to a given height from the first floor, second side walls surrounding the space dividing floor, and the first ceiling; at least one step for connecting the racing floor and the themed playroom floor; a plurality of support bars for supporting the space dividing floor against the first floor; a main signal lamp disposed on the racing floor; and a car for play operating on the racing floor, wherein colors of light outputted from the main signal lamp are changed according to locations of the car for play.;COPYRIGHT KIPO 2019
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