Sweets packed with the active ingredient in cannabis can be bought online in just a handful of clicks.
Fizzy chews and chocolate bars laced with THC are freely available on the web, raising concerns the colourfully packaged treats could be attractive to children this Halloween.
Without having to venture onto the darknet, Brits can get their hands on the drug filled snacks for just a few pounds.
No age verification is asked before the sweets are bought, meaning young people armed with a credit card and sense of adventure can put in an order.
THC treats can be dangerous if consumed in too high a quantity, with one teenager hospitalised after tucking into some this summer.
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One site boasts of selling the “best marijuana edibles of 2020” while listing bags of Jellies shaped like babies' dummies.
They contain 150mg of THC.
According to one legal American seller of cannabis edibles, a dose of 100mg of THC is "highly likely to impair coordination and alter perception".
It also warns that it can lead to a rapid heart rate and nausea.
Another site sells sweets including "blue foot blasts, strawbuzzies, candy colas, buzzy peaches and watermelon sours".
Another site sells packs of lollipops for “consumption on the go” with a hefty 180mg of THC in each.
A Sneakers bar named in clear homage to Snickers is described as a “cannabis-infused chocolate bar with nougat, caramel and peanuts”.
One mum from Manchester told of how she found some of the sweets in her 14-year-old son's room.
“On first look, I thought they were Haribo and they had the little bear on them, but when I looked properly I saw that they actually said Baribo and then I saw that it had a little sticker saying THC," she told The Sun.
She added: “It's just so scary.
“I'm very angry with him because he has a five-year-old sister and if she had found this in his room she could have eaten them."
It comes after parents were warned to be vigilant this Halloween about sweets bags that in fact contain cannabis.
Police in Rochdale have urged people to be wary of what their kids are consuming when they go out trick or treating.
There are said to be multiple different kinds of the drug sweets, Manchester Evening News reported.
"This could have serious consequences for any young person or child who may consume these," police said of the packets.
"Please keep an eye out over Halloween to see what your children are consuming."
One respondent to the police post said: "These packets all over Rochdale lol. I’ve seen them before."