A MORTIFIED mum sent her five-year-old son to his school nativity dressed as a shepherd, unaware the costume came with an inflatable sheep sex doll.

Helen Cox spent £16.99 on Amazon for the fancy dress costume for son Alfie, who was delighted it came with the free blow up animal.

Helen was confused when teachers told Alfie to take the sheep home – until she inflated it and was horrified to find a huge hole in its bottom, along with red lips and eyelashes.

Mum of two Helen, 46, then found the same sheep on sale as a ‘stag night bonkin’ sheep’ – and is now devising a way to steal it away from her unaware son.

Helen, a psychology student, from Alloa, Scotland, said: “He’s probably in his room right now stuffing Lego in the hole.

“I just can’t believe it. I don’t know whether to laugh or cry. How am I going to explain this to his teachers?

“I have no idea if they’ve seen it was a sex toy and that’s why they sent it home – I’m mortified.”

The outfit, which Helen bought on Amazon last month, was listed as ‘Labreeze kids boys brown shepherd costume inflatable sheep nativity fancy dress outfit’.

After checking the costume fit, Helen packaged it up in a name-tagged bag for Alfie to take into school on 26 November.

But when Helen went to pick Alfie up from school on the 6 December – a week before the nativity – she noticed the sheep in his bag.

Helen added: “I asked him ‘why have you brought the sheep home Alfie?’

“It was part of his costume and I thought he might have been naughty and snuck it out of school.

“But he said the teacher had given him it to bring home, so I let it go.”

When they got home, Helen suggested she blow the sheep up for her young Alfie to play with – then the penny dropped.

“It took forever to blow up – I was stood there blowing and blowing until the air reached its legs,” said Helen, who lives with husband Chris, 46.

“I hurriedly popped the stopper back in so it wouldn’t deflate and suddenly spotted the huge hole in the bum. I couldn’t believe what I was seeing.”

Helen made an audible gasp, making Alfie question what was wrong.

READ MORE: Christmas 'ruined' for six-year-old who saw Santa without a beard

She added: “I told him, ‘You can’t have this sheep Alfie’ but he kept asking why so I had to make up a reason.

“I told him it didn’t look like a proper sheep because it had a moustache, red lipstick and a bow on its head, but he still wanted to play with it. I couldn’t think of any more reasons why not.”

READ MORE: Here's some great Elf on the Shelf ideas

Alfie soon discovered the hole and asked what it was for, so Helen told him it was ‘for the sheep’s toilet paper’.

Without knowing how to get the sex-sheep back from her son, Helen has now devised a plan to get the sheep back without any awkward explanation by telling Alfie the ‘Elf of the Shelf’ took it.