Transportation Engineering
Share your creation with other DIYers!
Complete this activity and collect!
What is it?
A zip line is a mechanism that helps you get from one point to another using a line that starts at a higher point than where it ends. Post a video showing an object traveling down your homemade zip line.
Instructions
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!