Groupon offers the refurbished Nintendo 2DS Portable System with Mario Party Island Tour in Blue (pictured) or Red for $99.99 with free shipping. That's the lowest total price we could find for a refurbished unit on its own by $3. It's fully compatible with 3DS and DS games, but doesn't play games in 3D. Other than that, it features the same functionality as the 3DS (WiFi, local multiplayer), plus a sleep function. Deal ends September 9.

Note: A 1-year Nintendo warranty applies.