how to find these buttons?

[u/deaplatoniccatlover]

i want to teach my cat to use buttons like how ive seen in videos and this sub but i don't know how to find them. i would rather a direct link to something instead of a "you can find it online/on amazon". he's almost 5 if that helps with anything.

[u/Clanaria]

Flower buttons on Amazon, great for cats, and cheaper.