Plastic Slinky Spring
To better illustrate and demonstrate the fundamentals of wave motion. An economical plastic wave demonstration spring. Economical, but strong plastic construction can be stretched up to 12 feet.
 
Dimensions :-
	
Diameter: 3 Inch (75mm) Collapsed 
	
Height: 2.36 Inch (60mm) Extended 
	
Length: 12 Ft (365cm)