Each group needs:

• scissors
• white glue
• tape (cellophane, masking, etc.)
• pens and pencils
• Design Worksheet, one per team (also available in Spanish) 

To share with the entire class:

• paper
• rulers
• assorted building materials for their prototype devices, such as balsa wood, construction paper, toothpicks, popsicle sticks, white paper, string, aluminum foil, paper clips, styrofoam, foam core, film canisters, etc.
• markers and crayons
• (optional) hot glue gun (for use by the teacher)