Stamps!
I love carving them and stamping paper. It’s like a trip back in time to childhood.
My favourite to carve is the Intestine, below, as it has such nice curvy lines which are the best when carving.
Large Intestine Stamp
Stamps
Your Organ Grinder 
These are hilarious! The Fallopian tubes take me back to my childhood. My father, by way of exclamation, would shout “flying Fallopian tubes!!”
And my mother would gasp “LES!!”
Hahaha.
haha! Now that’s a new one!