What kinds of art projects would work in a kiln for 7th graders?

I did a thing if grade 6 where people came in and we make animal bowls! we made a bowl and made it look like an animal then we painted them! i made cow! =3 , get them to put legs and head and stuff on them! it will be fun!

When I was doing stuff (decades ago) it was ashtrays, which is hardly appropriate today. But making a little bit steeper sided shallow bowl can serve to hold coins, pins, buttons, miscellany or if a bit larger the pocket contents of pants taken off at the end of the day. But a key is that some kids are good at making small statues - animals, fish, lizards, dinosaurs, and people while other kids are not but can manage the bowl shapes - so have the kids find what they can do and make up bowls with decorations mounted on the edge - fish, lizards, etc. - so it is not just a small statue that ends up on the back of mama's shelf, but a useful decorated bowl.

What I did when I was in 7th grade was make a small gargoyle ( we were told to pick 3 different animals or creatures and sketch a picture then make them out of clay combining the animals). When they are done put them in the kilm then have your students paint them. It was really fun when I did this! Hope this helped :)