This "Whatever Floats Your Boat Engineering Challenge" is the perfect STEM lesson! Depth and Complexity icons are featured throughout the packet. This is such an easy print and go STEM activity! Students will adore the lovable characters as they navigate through the engineering lesson. Students will find the lesson engaging and just plain fun! You will need to supply your students with foil, or any materials you choose, to build a boat. I use a large plastic storage container, filled with water,