The Nintendo DS and Nintendo DSi cannot play Nintendo 3DS games. You may physically destroy the game while you break the tab off but the process of attempting to play the 3DS game on the Nintendo DS will not break it.
yes. it is best to play it off charge, and to unplug it when charged.
no
the charging cradle is just for more comfortable charging you don't need it for charging but its more safe and much more comfortable, and if you mean while the 3ds charging yes the cradle need to be plugged in with the charger so he can get electricity.
no, when the 3ds is charging it will charge until he has full charge and then he will stop charging, so you can leave your 3ds at charge at night and nothing will happen to him except he will be charged of course
you cannot because the 3ds is 3d while the dsi is not
Yes, the Nintendo 3DS will heat up slightly after a while.
Manuals (English, Spanish, and French), Charger, Charging Craddle, The Nintendo 3DS system, and stylus.
Yes. For the cradle to work, you must plug the 3DS charger into the cradle.
You play 3DS games on a 3DS, not on a computer.
The charging cradle is meant to make it simpler to charge your 3DS. Rather than having to grab a charge cable and plug it in, you can just place it in the cradle whenever you're not using it.
No, only a 3DS can play 3DS games.