the 3 best parts were
The 3D effect can only be emulated with two copies of the game, two systems, a link cable, and the ability to cross your eyes as if looking at one of those Magic Eye paintings that were the rage in the 90s.
AND
Virtual Boy "The system had so much to offer kids with fully developed eyesight over the age of seven
AND
The Virtual Boy Game Boy Advance SP will also have the standard color LCD removed, in favor of a specially produced front lit TFT LCD screen that can handle 256 shades of red. Every game produced for the Game Boy Advance will only play in red on the Virtual Boy Game Boy Advance SP system