For sketching and prototype-building, each group needs:

• paper, pencils and erasers
• assortment of office/classroom supplies and small arts and crafts supplies, such as paper, tape, scissors, glue, Popsicle sticks, paper clips, rubber bands, twist ties, etc.

For full-scale model building, groups may request and need:

• pieces of wood, such as cuts of plywood, dowel, 2 x 4 beams
• PVC pipes and joints
• nails, screws, hinges, springs
• elastic tubing
• bungee cords
• other items available at grocery, hardware and dollar/discount stores

Note: Activity costs will vary widely, depending on materials requested by/made available to students. A rough estimate is $10-15 per group. To keep costs low, try to use scraps, leftovers from home and recycling bin materials.

Each group needs:

• Budget Sheet
• Presentation Guidelines
• Presentation Peer Review, one per person x number of groups in the class

To share with the entire class:

• power drill
• drill bits, including a hole cutter (a circular saw drill bit attachment that cuts wider holes in wood sheets)
• hacksaw
• sandpaper
• duct tape
• wood glue
• screw drivers
• hammer
• computer with Internet access (to show an eight-minute video)