There are many a rainbow keycap out there, but these, in my opinion, are the coolest!!!
Found here on TaobaoI ordered them using TaoBaoFocus, and although it was a bit expensive, it was completely worth it! I got the 108 side printed set.
I really like typing on them as they are PBT and seem to be OEM profile.
Only problem is that my spacebar is not holding onto the stabilizers well, as in it's too loose. Any tips to fix that much appreciated.
You can read about my QFR case painting experience
hereAlbum for the rainbow keys
hereIn the sun:
On my desk:
Height comparison:
Left to right: Rainbow PBT, Imsto Thick PBT, SP Nyan Cat, Stock QFR
Thickness comparison: