The requirements for the project are that they create a product or presentation to share with the class about something Calculus related. I usually provide much more specific and detailed instructions for assignments but they embrace the freedoms of this particular project and I have yet to be disappointed.
Here are a few of the projects I got this year!
Two students found the volume of a banana using volumes by revolution. They only had a 12% error!
Two groups created board games to review derivatives and integrals. They even included trig functions :-) I will be using these as part of my student's review for the AP test next year!
A group of three students created and modeled a free-response question on perpendicular cross sections using squares! Yes, they made it out of rice krispie treats and we ate it :-)