Table 2. The purpose and the contents of guidelines by main agent

Main agent	Guideline	Purpose	Content
			Scope of application	Redefinition of concept			Principles of design and design Process	Design guideline	Check list	Pages
				Play	Hay equipments	Inclusive playground
Central government	USA accessible play areas	Inclusive playground design guide (proposal with specific value)	○	○	○		○	○	○	40
	Ireland play for all	Inclusive playground design guide (general proposal without specific value)	○	○		○	○	○		44
	Singapore inclusive play design guide	Inclusive playground design guide (proposal with specific value)	○					○	○	72
Local government	Scotland Free to Hay	Inclusive playground design guide (general proposal without specific value)	○	○	○	○	○		○	60
	England inclusive landscape design	Inclusive playground design guide (proposal with specific value)	○				○	○	○	13
Industrial-educational cooperation	USA Me2	Inclusive playground concept and pursuit of value (associate academic research with industrial products)	○	○		○	○			60
Nonprofit organization	Japan play for all children	Inclusive playground design guide (proposal with specific value of other guidelines and various examples)	○		○	○		○	○	130
	Australia inclusive design manual	Extend pursuit of value by presenting design methods (general proposal without specific value)	○			○	○	○		21