Sierra Island of Dr. Brain MS-DOS 3.5" floppy vintage PC game, 1992, from Sierra Discovery Series. Factory sealed in original big box, rare collectible for science & math educational video game fans. Suitable for ages 12+, supports VGA/EGA graphics. Pristine shrink wrap, ideal for PC game collectors. Barcode 020626851035. Dimensions and weight are approximate and may not be exact. Item specifics: Game Name: The Island of Dr. Brain