When studying Thiebaud's art with children I make sure to stress the idea behind it. Why did he make these pictures? Pies and cakes seem silly, right? Well, they are! It's Thiebaud's intention to make us laugh and feel good. We can all do that, kids and adults alike. Everyone can connect to this project - which is what makes it so fun. (You can sneak in other concepts too - like value, form, space, shape, overlapping, color theory, the list goes on!)
Gum
My fourth graders focused on Thiebaud's Three Machines, 1963 for their assignment.
Their task was to recreate a Thiebaud gumball machine and give it its own personal flair. We talked about overlapping, shadows, and high lights as well. Students first drew their machines, outlined everything in permanent marker, painted with watercolor and sparkle paint, then added shadows, highlights, and accents with oil pastels. I loved seeing the personalities come out in each project!
Cakes
My fifth graders observed all of the beautiful painted cakes in Thiebaud's collection. We talked at length about how his cakes almost look real enough to eat (after which we all became very hungry and insistent upon making REAL cakes part of our art assignment)!

We talked about value in the real world - how lights and darks help something look three dimensional. We added a cast shadow, shaded half of our cake and highlighted the opposite half.
This is definitely one of my favs!
Fun
There is a resources link for this assignment on the left. Please feel free to use/share/adapt in your classroom!