Stuffed doll Erwin the Little Patient
With a zipper can be Erwin’s open belly and gives a view of the major human organs: stomach, intestine, lung. heart Erwin’s interior is made ​​of cuddly plush can, and removed by Velcro strips to enter filter will it touched! A booklet by Prof. Grönemeyer explains the system and give parents help by playing with the children.
