Toonies are the nickname given to the Canadian 2 dollar coin was introduced in 1996. The toonie is a beautiful two-piece coin comprised of nickel outer ring and aluminum bronze until 2012. After 2012 the inner aluminum bronze also became brass coated as the outer ring also became steel coated with multi-ply plated nickel as the striking process became more refined.
The introduction of the toonie solved the problem of the 2 dollar bill only lasting one year. Each toonie piece is expected to last about twenty years in circulation.