Game Boy
Game Boy Advance
Game Boy Advance SP
Original DS
3 DS Lites (2 white, 1 Guitar Hero edition)
DSi
Blue DSi XL
New Leaf 3DS XL
Majora's Mask New 3DS XL
Red New 3DS XL
Blue/Black New 2DS XL
Blue Switch Lite
New Horizons Switch
I may have slightly overdone it with some of these. My favorite would have to be the 3DS, with it's awesome library and access to the equally awesome DS library.
Game Boy Advance
Game Boy Advance SP
Original DS
3 DS Lites (2 white, 1 Guitar Hero edition)
DSi
Blue DSi XL
New Leaf 3DS XL
Majora's Mask New 3DS XL
Red New 3DS XL
Blue/Black New 2DS XL
Blue Switch Lite
New Horizons Switch
I may have slightly overdone it with some of these. My favorite would have to be the 3DS, with it's awesome library and access to the equally awesome DS library.