Parents have been warned about Christmas toys in case children eat or digest the batteries and magnets. Button batteries and magnetic balls found in toys can cause life-threatening injuries if swallowed.Christmas shoppers have been issued a warning to stay aware of the possible dangers.The small, round batteries can burn through a child's windpipe or oesophagus if they are accidentally ingested, doctors at Great Ormond Street Hospital (GOSH) said.Magnetic balls, which are popular with school children and can be moulded together to form different shapes, also pose a serious health risk if swallowed.The magnetic force between the small balls could "rip holes" within the intestine if they are ingested while unconnected to each other, GOSH.
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