More ideas from jaana
a pringles can (may have to try this one in the classroom, perhaps as part of a literary unit??).

Kids Art Activity: Clay castles - could be a fun clay art project for kids - toilet paper roll or pringles can inside to hold up tower while working

clay - Pesquisa Google

You could copy this idea in polymer clay! It is very unique looking to me. Nautical Clay Face Plaque - Stage one - drying