All this is with everyone who can be chewed by young children. This collection includes cars, trains, construction products, figures and puzzles. It was gathered from the homes, nurseries and donation shops, Dr. Plymouth University. Andrew Turner analyzed 200 used plastic toys in a study.
We now have a study which proves that this risk is more than theoretical. This toy will not be legal in today's sale. This means that in the theory you can find toys in the Thrift Shop yard sale or in the second hand shop, you can get toxic poison. Over time, laws that protect toys for our children are developed.
SOURCE - https://www.treehugger.com/family/second-hand-toys-pose-risks-childrens-health.html