Works Cited

http://www.20timeineducation.com/

http://www.20time.org/

http://osfamilies.org/

http://www.friendshipcircle.org/blog/2013/10/07/10-sensory-chew-toys-for-children-with-autism-other-special-needs/

http://www.grainger.com/content/qt-types-of-plastics-213

http://www.adhesives.org/adhesives-sealants/science-of-adhesion/design-of-adhesives-bonds/types-of-adhesives

https://www.tinkercad.com/

http://www.shapeways.com/