To get wireless get a Airport base Station from Apple, and then setup in Airport Setup Assistant and follow onscreen instructions.
Bluetooth wireless connectivity for using wireless mice etc. was not added to the iBook range until the G4 version so a wireless mouse cannot be used with the earlier G3 iBooks.
The G3 iBook (M6497) had the option of adding the AirPort wireless card. An individual G3 iBook today would need to be checked to see if the AirPort card is present.
No. Airport extreme cards are for iBook G4's. iBook G3's Use Regular Airport Cards
iBook G3's Use PC133 Memory. iBooks only have one slot.
In order to use wi-fi with an iBook Clamshell, you need an Air Port card. It needs to be the old type.
No. It's an old g3 processor
Yes.
The difference is the keyboard, processor ( the fastest G3 is 900 MHz - G4 is 1.42 GHz) , memory (g3 can have up to 640mb - g4 1.5gb
Sadly, no.
No. The iBook G4 uses opaque white plastic, rather than the clear white plastic with white undercoating like the iBook G3, so its appearance is quite different.
The G3 and G4 iBooks had a built in modem which can connect to a dial-up service.
Apple iBook G3, 1999
Replacement power adapters for the iBook G3 ClamShell (M24353) are widely available. (See links below).