My DD1 will be 6 at the end of the month & we're planning on giving her a Nintendo DS as a birthday present. The problem we have, however, is that DD2 will be 3 in the same week & whatever DD1 has DD2 has to have as well
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DD2 copies her big sister with everything & always wants to play with the same toys DD1 is playing with (although to be honest - that also goes both ways - squabbling siblings eh...!
). I'm just envisaging birthday week turning into WWIII if DD2 doesn't get to have a play on DD1s DS 
I've had a look on ebay & reckon I could pick up a cheap 2nd hand DS for about £30 which will do DD2 fine (it will also solve the issue for us about what to buy her as well as we're a bit clueless at the moment as she already has a ton of stuff handed down from DD1). The question I have, however, is - is 3yo too young to have a DS...? We'll obviously restrict her screen time & tbh DD2 is quite active so I can't see her being on it loads anyway as she prefers running around driving us all mental.
What age were your DC when they had a DS & what DS games would be suitable for a 3yo girl...?