Complex sentence: The company's first major project was the Rattler at Six Flags Fiesta Texas in 1992, while their most famous coaster was the Son of Beast at Kings Island, the world's tallest and first looping wooden coaster when it opened in 2000.
Split into simpler sentences: The company's first project was the Rattler at Six Flags Fiesta Texas in 1992. Their most famous coaster was the Son of Beast at Kings Island, the world's tallest and first looping wooden coaster when it opened in 2000.