Bibliography

Canada Safety Council. "Swings, Slides and Safety."www.saftey council.org.<http://www.safety-council.org/info/child/playground-05.html>

U.S. Consumer Safety Commission."Seesaws."www.cps.gov. <http://www.cps.gov/CPSPUB/Playfct.pdf>

U.S. Consumer safety Commission. "Playgrounds."www.cps.gov. <http://www.cps.gov/pups/325/pdf>

4Offsets. "Archive for the Wind Power Category."www.library.4offsets.com. <http://library.4offsets.com/category/wind-power/>

Model and prototype pictures by Alek Ebbeling and Robert Ebbeling (Alek Ebbeling's dad).

Sketches by Kasra Khadem and Alek Ebbeling.

Video filmed by Kasra Khadem.

Raps by Alek Ebbeling and Kasra Khadem.