The Wild Mouse was the fair's big rollercoaster, designed and built by German company Maurer Sohne. Microsoft founder Bill Gates fondly recalls this as his favorite memory of the fair.
Then:
Now:
After the fair, the ride was moved to Lagoon Amusement Park in Farmington, UT and installed in 1965. Another coaster was built on location in Seattle and remained until 2009. In 1998, the Lagoon Park coaster was replaced with a newer version of the same ride.