San Francisco (CNN) -- Sunday's debut of the Nintendo 3DS, a hand-held game system with a 3-D display that doesn't require special glasses, isn't just the culmination of several years of research and development for one product.

CNN: Mark Milian

Capitalizing on that, Nintendo rented meeting rooms in Las Vegas to demonstrate its 3DS hand-held system, which can display 3-D without needing special glasses.

CNN: Motion, 3-D gaming right at home at CES