Mario's Early Years! games in order

All 3 games of the Mario's Early Years! series in the order they came out, from Mario's Early Years! Fun with Letters (1993) to Mario's Early Years! Preschool Fun (1994).

1. 
   Mario's Early Years! Fun with LettersDOS, SNES
   1993
2. 
   Mario's Early Years! Fun with NumbersSNES, DOS
   1 Sep
3. 
   Mario's Early Years! Preschool FunSNES, DOS
   Sep 1994