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I don't think you're going to find many people willing to part with their classic DS games and get nothing in return. Especially for someone they don't know on the internet.
If you want to get these games for yourself, the best bet is to either look on eBay/Amazon, or look around to see if you have someone local selling/giving them away.
Unless you live in US, if you want both you'll need to head to ebay.
Also: If you're not sure how to make money to get them (if you're only a teen), https://www.wikihow.com/Make-Money-(for-Teenagers) here's a useful link. Otherwise if you have a job/adult/etc the best thing to do is to put your next pay towards it! Good luck. :)
You can always order it on the Gamestop website and get it shipped to your house otherwise there's very little else you can do. Walmart or one of the large department stores over there might have it. But outside of ordering online or getting lucky at one of those stores there's nothing that can be done... and I don't think anyone here is going to send a copy. :(