Educational

• Little Professor

Model: Little Professor 1982 ITA
Battery: 2 x AA
AC adapter:
Year: 1982  
Chip:
Info: manufacture Italy

• Little Professor

Model: Little Professor 1982 USA
Battery: 2 x AA  
AC adapter:
Year: 1982
Chip:
Info: manufacture USA

• Little Professor

Model: Little Professor 1985 EU
Battery: 2 x LR44
AC adapter:
Year: 1985
Chip:
Info: manufacture EU

• Little Professor

Model: Little Professor 1985 USA
Battery: 2 x AA
AC adapter:
Year: 1985
Chip:
Info: Made in USA

• Little Professor

Model: Little Professor Solar
Battery: no
AC adapter:
Year: 1995
Chip:
Info: solar