Try eBay.
at ebay
Yes you can buy an used working good quality Nintendo ds system at your local Gaming store such as GameStop for the lesser of the cost of a new Nintendo ds system.
If you lost your Nintendo ds...... Find it or buy a new one.
You can find a cheap Nintendo DS Lite on Craiglist.
No.The GBA simply doesn't work with Nintendo DS games.You'll have to buy a cheap DS somewhere instead.
you can! brisbane.gumtree (see Related Links)
You can buy cheap Nintendo DS skins on an asian website called DealExtreme. They offer a lot of different things at minimal price. That is what makes that webstore unique.
One can find a cheap Nintendo DS online buy purchasing one used from a site where people sell their used products. Some of these sites are Amazon and Craigslist.
You'll find the best price available for the Nintendo DS Lite here, and for the hours of entertainment you'll have, it is well worth the small investment. You can also pick up plenty of cheap DS accessories too.
buy a new one
There are a couple of places you can buy R4 for the Nintendo DS system. You can buy this at Best Buy or GameStop.
i need to know the same thing. but you can go towww.ksl.com/classifieds and search Nintendo ds in the search bar. there is a Nintendo ds original (not lite) for 35 dollars. how ksl works is you call the person and then you can arrange a time to meet them and buy the item from them. hope i helped! ;-)