Pretty sure it's the texture of the keys that cat's like, not the visual design.
You probably could have found an old keyboard somewhere for free, or at worst, bought a new, simple one for $20. How much did your fancy novelty pillow cost, I wonder? ;)
![THE NHMPAP PILLOW'
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A FLUFFY LIFE-SIZE REPLICA OF УOUR KEYBOARD'S NUMERICAL PAD]
SAY GOODBYE TO UNSUSPECTING »+++++++++++» INTERRUPTING WHAT yOU'RE "W6R-ITI+-NG999"- CATS INSTANTLY FALL ASLEEP ON TOP OF THE ЫНЛЛРАР PILLOW (ТИЕУ WON'T KNOW ТИЕ DIFFERENCE')/ FREEING YOUR REAL NUMPAD FOR](https://img2.joyreactor.com/pics/post/pillow-keyboard-portsherry-1271144.png "pillow,keyboard,portsherry,comics,funny comics & strips, cartoons,numpad")
You probably could have found an old keyboard somewhere for free, or at worst, bought a new, simple one for $20. How much did your fancy novelty pillow cost, I wonder? ;)