Yes, in the parental controls menu you can globally disable 3d.
Yes, you can disable the 3D effect if you wish.
Yes, though you'll want to disable the 3D function. The 3D function may hurt the eyes of a child 7 years of age or younger.
For the 3DS, the 3D feature does not require 3D glasses to play so you do not need to buy 3D glasses.
You can import most DSiStore games onto a 3DS from the 3DS' memory management menu. You can also play Monster Finder, which is the only true 'DSi game'.
SOME of the 3d dvd have menu option to watch 2d or 3d and some have a menu to maximize the performance of your 3d experience but some have nothing
No, you can play regular DS games on the 3DS. However the 3D games can only be played on the 3DS :)
They are! I own a Nintendo 3DS, and I was amazed at how good the 3D was. Even the graphics when the 3D is off are good, too!
You can access the 3D option in the main menu of the game itself under options and display. Hope this helps!
When using a regular DS game on the 3DS, the 3D slider does nothing.
LEGO Battles can't be played on the Nintendo Wii. It can be played on the Nintendo DS, DS Lite, DSi, DSi XL, 3DS (without 3D), 3DS XL (without 3D), 2DS, New 3DS (without 3D), and New 3DS XL (without 3D)
As the 3DS is designed to display 3D without the use of glasses, using 3D glasses with the 3DS may not give optimal 3D output. You should be able to see 3D depth fine without the need for any glasses.
You can play a DS game on a 3ds but you won't see the game as 3d even with the selection on.