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Want to make your Little Leaguers’ summer?

Take them on the ultimate roadtrip by visiting all 30 Major League Baseball stadiums in 30 days using Slate’s clever ballpark road trip calculator as a guide.

Select a starting stadium and date, and the calculator’s algorithm creates a schedule that allows four hours for games and the most manageable (not necessarily shortest) drives between ballparks.

Note: The calculator does not offer advice for how to keep your kids from fighting in the backseat during all that time on the road, or factor in a recovery period after so much family time.