Have teams select any sport (not just the ones done for this activity) and each draw a picture of the ideal footwear for that sport. Have students list the design criteria for the selected sport. Discuss how the design criteria differ between sports. Require that they include descriptions of their footwears' qualities and their benefits to athletes. Incorporate design constraints by asking students what sort of budget they would need to build their shoe design. Could they do it with a 100 dollar budget? Share ideas via a guided class discussion or large drawing on a board.