Silver Bullet is a western-themed steel inverted roller coaster designed by Bolliger & Mabillard located at Knott's Berry Farm, an amusement park in Buena Park, California. The $16 million roller coaster was announced on December 1, 2003 and opened on December 7, 2004.
Tatsu is a flying roller coaster designed by Bolliger & Mabillard at the Six Flags Magic Mountain amusement park located in Valencia, California, United States. Manufactured by Bolliger & Mabillard, it opened as the tallest, fastest, and longest flying coaster in the world on May 13, 2006.