What's an illegal vape and how can you spot one?
Illegal vapes are being sold alongside cuddly toys and action figures in toy shops.
Over the past few months, Trading Standards in Swansea said it had seized more than 140,000 illegal vapes.
The Welsh government said it was working alongside the UK government to tackle the problem.
Rhys Harries, a Swansea Trading Standards officer, explains the different ways you can spot an illegal vape.
Video edited by Nathan Aviss.
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