1. The Marble Run Engineering Challenge

2. The Challenge:
Build the longest free-standing marble track using the given materials and have the marble land in an 8 in. square and remain there.

3. Supplies: 1 piece of cardstock 3 straws
1 piece of string 3 sheets of paper
5 mailing labels 3 rubber bands
4 paper clips 2 pencils

4. Use as much or as little of the kit:
Your engineering team may use as much or as little of the materials found in the bag as you need. The team cannot use the paper bag as part of their structure.

5. Break up the materials:
Teams are free to break, cut, or bend any of the materials to create new structures.

6. The Challenge Lasts 18 minutes:
Teams cannot hold on to the marble-run structure when the time runs out. Those touching or supporting the structure at the end of the exercise will be disqualified.

7. Questions?

8. Timer: