Toy track system and track vehicle moving therein

A toy track system for a track vehicle moving within the track system, wherein the toy track system comprises:

• a track section comprising a plurality of pipe track sections connected together to allow the track vehicle to pass through the plurality of pipe sections, wherein the track section includes
• an inlet end having a pipe opening for the track vehicle to enter the track section, and
• an outlet end for the track vehicle to exit from the track section, wherein the outlet end is positioned a first distance from a flat surface;
• and
• a plurality of connecting devices, wherein each connecting device has two connecting ports for detachably connecting together adjacent pairs of the pipe track sections of the track section;
• a non-track section not including any pipe track sections and along which the track vehicle may pass from the outlet end to the inlet end of the track section, wherein the non-track section comprises
• a support base positioned a second distance from the flat surface, wherein the second distance is shorter than the first distance,
• a cable connected to the outlet end and the support base, and
• a sliding device sleeved on the cable and for sliding along the cable, wherein
• the inlet end points vertically upward and is positioned below the cable,
• the inlet end is located between the outlet end and the support base, and
• the sliding device conveys the track vehicle from the outlet end to the inlet end;
• and
• a guiding device located at the inlet end for guiding the track vehicle to enter the pipe opening of the inlet end from the non-track section, wherein the guiding device comprises an end opening that is larger than the pipe opening.