Original sentence: With Coleman as president, the park added two large roller coasters (The Flash and The Thriller), replaced the miniature railroad with a longer one, expanded the dancing pavilion and converted it into a roller skating rink, and housed the games and concessions in new concrete buildings
Edited sentence: With Coleman as president, the park added two large roller coasters (The Flash and The Thriller), installed Dodgem cars (a forerunner of today's bumper cars), replaced the miniature railroad with a longer one, expanded the dancing pavilion and converted it into a roller skating rink, and housed the games and concessions in new concrete buildings