Educational

• math and war games

Model: Little Computer
Battery: 2 x AA alkaline                
AC adapter:
Year: 1992                              
Chip: COP444
Info:

• little professor

Model: Little Professor 1981
Battery: 9 Volt
AC adapter:
Year: 1981 
Chip:
Info:

• 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