# data[].attributes.headline
Marble run with a different surface on each section of the ramp.

# data[].attributes.subject
Marble run with a different surface on each section of the ramp.

# data[].attributes.headline
Made with Toilet Paper Tubes & Pop Sickle Sticks

# data[].attributes.subject
Made with Toilet Paper Tubes & Pop Sickle Sticks

# data[].attributes.body
Different types of surfaces like sandpaper, duck tape, etc... were applied to the inside of the tubes.

# data[].attributes.body
http://www.exploratorium.edu/pie/downloads/Marble_Machines.pdf