Any ideas for my church sabbath school? ?

Maybe trying having a baking cl, then selling the bake goods and donating the money. You could try baking bread without yeast, like they did at my church when I was a kid. But it was not fun to make. I was recommend having then make cupcakes and marzipan. Marzipan is a treat made from almonds, sugar and water basically. You add food coloring and mold it like play dough, to put it bluntly and in a way that younger kids with understand.