SnowPrince on 05 December 2013
The 7 yo get him a 3DS/2DS with animal crossing/Pokemon XY/ZELDA !
The two girls a WiiU with Mario 3D world, Party.
The 13yo a Tearaway Vita. with Killzone/ Black Gate.
The rest is a your commission ! :D
And seriously you could buy an extra X360 Kinect for the family, Every constructor will be happy then !
