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Some of the county's biggest toy shops have taken types of slime off the shelves.

It's after a big investigation by a group called Which? - they review and test products to protect the rights of the people who buy them.

Which? said their experts had tested 13 slimes and found six broke the rules on boron.

Boron is one of the chemicals in borax, which many of you will have used to help create slime's stickiness.

But there are legal limits on how much can be used as too much boron can cause skin irritation, diarrhoea, vomiting and cramps.

The tests included slimes bought from Hamleys, Smyths Toys Superstores and Amazon, as well as a product classified as a putty from Argos.

The experts found that Frootiputti slime, made by Goobands and sold at Hamleys, had four times the EU limit for boron in toys.

Hamleys has now stopped selling that slime while it investigated further.

Like Hamleys, Amazon said it had stopped selling the products flagged by Which? while Argos said it was investigating the findings.

Smyths said it followed the "highest safety standards".

Responding to the test results, one of the companies that makes slime, Jexybox, said it would take all of its slime products off Ebay.

H Grossman and Goobands argued that their products were actually putty, not slime, and met EU safety standards.