CowBoom offers the used Nintendo 3DS 3D Handheld Game System in Aqua Blue (pictured) or Cosmo Black, model no. CTRSKAAA, for $99.99. Coupon code "3DS20" drops it to $79.99 with free shipping. That's $25 under our November mention of a used one and the lowest total price we've seen for this gaming system. (It's also $90 under the lowest total price we could find for a new one.) Sales tax is added where applicable. It features two screens (one 320x240 touchscreen and one normal 800x240) which display 3D visuals without the need for 3D glasses. It also features a 3D Depth Slider, built-in motion and gyroscope sensors, Circle Pad (analog control), 3D camera, 2GB SD memory card, and more. Deal ends February 28.

Note that no warranty information is provided. Also, these are used items and may have scuffs, surface scratches, dents, or other cosmetic blemishes, and may be missing parts and accessories.