Pit crews are unheralded but vital members of teams seeking Indianapolis 500 titles. Here's what goes into a pit stop at Indianapolis Motor Speedway.

The Ferrari pit stop and crew set is a great choice for younger fans. It includes a red Ferrari race car, five minifigures (driver and pit team), tools, spare tyres and garage accessories.

The NASCAR Pit Crew Challenge presented by Mechanix ... will be eligible. Open cars will go out first to set the lineup for the Open, followed by All-Star cars to determine the heat race lineups.