Each group needs:

• cardstock strips
• cardboard strips
• plastic drinking straws
• plastic coffee stirrers
• hot glue gun with hot glue sticks
• scissors
• 3 rulers, one per student
• measuring tape
• graph paper and pencils
• client model, such as a doll or an action figure (or any object to represent a person that students can measure to gain dimensions for the wheelchair prototype and that could ride in the wheelchair during testing)
• Off-Road Wheelchair Packet, one per student
• computers, for internet research

To share with the entire class (for testing):

• simulated grassy field surface made from a cardboard box cover base (12 x 19 in [~30 x 50 cm) lined with a piece of high-pile carpet
• simulated sandy beach surface made from a cardboard box cover base (12 x 19 in [~30 x 50 cm) lined with sand and fish tank gravel
• simulated wooded trail surface made from a cardboard box cover base (12 x 19 in [~30 x 50 cm) lined with randomly placed straw and cardboard scraps
• 3 spring scales