Each group needs:

• poster board, ~22 x 28-in (56 x 71-cm), white or colored
• scissors
• glue
• colored paper
• Presenting the Optical Biosensor Requirements & Rubric, one per group (groups should already have this handout, given to them during the associated lesson)
• (optional) example completed poster or one from a previous class, to show students
• (optional) magazines, to find/cut out pictures for the poster
• (optional) computer with Internet access and a printer, to find/print images for the poster