This entry ('Jurassic Park Toilet Death scene') in the Geol Soc's Geobake off was from Natasha Stephen at Plymouth Uni. Click the link to see other entries.
I am sure there will be another Geobake off this year.
We could have a WCS competition, with a trophy, celebrity judges,
maybe as a charity fund raiser?
Winner goes on to compete against biology/English/chemistry/physics/geography/maths etc
in a grand final?
Here's how to make an evolution cake.