Abstract: The present disclosure provides a track toy component, which includes a plurality of track pieces. An abutting end of each track piece is provided with a magnetic member magnetically attracted to another track piece. A first track and an opposite second track are arranged on each track piece. The first track and the second track each includes at least one track groove. The track groove communicates two adjacent or spaced sides. The plurality of track grooves in a same plane are arranged in a communicated or spaced manner. The track grooves of the first track and the second track may be the same or different in shape, number, and position. The track toy component further includes fixing buckles. A buckling groove is formed in a penetrating manner between two ends of the fixing buckle, and the buckling groove is configured to insert and fix two track pieces.