Over 40 million Furbies were sold during the three years of its original production , with 1.8 million sold in 1998 , and 14 million in 1999 .
Furbies sold 1.8 million units in 1998 , 14 million units in 1999 , and altogether in its three years of original production , Furby sold over 40 million units , and its speaking capabilities were translated into 24 languages .