Sophie, from Port Talbot, said: "It was in their mouths for a couple of minutes and the next thing Tommy starting crying and saying he had a bad belly. Sophie said: "The doctor who saw Tommy was shocked, he had never seen anything like this. He had no idea how toxic it is."
According to the NHS, large amounts of nicotine can prove "life threatening" to children. Symptoms of nicotine toxicity overdose or poisoning including vomiting, sweating, drowsiness, shaking, confusion and seizures.