Hey OJB here. I'm gonna teach you how to make a Lego Zip Line!
Step 1: Materials
Step 2: Zip Line
You will need these pieces to build your zip line
Step 3: Building
Get you two pieces with holes and you little black thing. Put them together so the black thing is holding them together
Step 4: Building
Get your wheels and little gray things an put them together then snap them into the thing you just made
Step 5: Building
Now get you big thing and put it on
Step 6: Yarn
Get your yarn and duct tape and tape some yarn to a high place and a low place
Step 7: Attaching
Now put the yarn in the grooves of the wheels and let it fly!