AJ, 16, and Marquise Patterson, 14, turn a corner in a two-car race off for pole position at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Irvin Aguilar leans forward at the start of the preliminary races at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
The start of the Tobinworld 500 with nearly all 24 of the custom cars taking off at the start at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Two racers in pass each other as they race around a course at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Byran runs with his custommade cardboard car with assistant Leroy Thomas helping him along around the course at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Tobinworld staff race for 10 laps using the student’s custommade cardboard cars at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Tobinworld student racers, with their custommade cardboard cars, lineup for the Tobinworld 500 of 25 laps at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Racers in the Tobinworld 500 turn a corner at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
A racer jumps into a car in the pits at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Racers in the Tobinworld 500 at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
A racer in the Tobinworld 500 at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
A racer in the Tobinworld 500 at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Racers in the Tobinworld 500 turn a corner at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Staff member Danny Sandoval finishes in first place after running 10 laps alone in a staff race at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Kishawn Brown, 13, runs to the finish line in the Tobinworld 500 with a custommade cardboard car he carried with his team for 25 laps around a parking lot at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
One of 24 custommade cardboard cars made by students at Tobinworld to race in the parking lot in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Tobinworld staff race for 10 laps using the student’s custommade cardboard cars at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Oscar Lopez shows Perry Bell, 10 his time he got in the preliminary race he ran at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)
Assistant Patty Buong writes the entry names with their preliminarty race time on a board to track which of the 24 racers will get the big pole position prize at Tobinworld in Glendale on Friday, March 22, 2013. (Tim Berger / Staff Photographer)