Each group needs:

• plastic sheeting, 9 x 4-in (~23 x 10-cm) piece (much thinner than Plexiglas; available at hardware stores)
• cardboard or poster board, 9 x 6- in (~23 x 15-cm) piece
• white paper (for design and template)
• Protective Eyewear - Design Brainstorming Worksheet, one per person
• Engineering Design Report Template, one per person

For the entire class to share:

• colored plastic saran wrap
• colored and bendable plastic drinking straws
• popsicle sticks
• clear tape
• felt and rubber pieces
• string and yarn
• markers
• scissors
• ruler
• (optional) rubber bands, colored paper, play dough or modeling clay
• (optional, for extension activity) items for testing stations,, such as: fan; grass clippings; small, clean spray bottle and water; towel; flashlight