The Post Office has come under fire over a birthday card display showing blue for boys and pink for girls.

One customer was so enraged by the greeting card stand at the Manchester Post Office in Spring Gardens that she took a photo of the display and tweeted it to the company.

In her tweet, Rhian Davies said: "Pity that the PostOffice feel the need to have male and female cards. Can't we just lettoysbetoys ? lettoysbetoysmanvspink – at Manchester Post Office ."

She tagged Let Toys Be Toys into her tweet as it's a campaign against toy and publishing industries 'limiting children’s interests by promoting some toys and books as only suitable for girls, and others only for boys'.

And Rhian's not the only one to have an issue with birthday cards this week.

Madeline Hallewell took objection to Tesco's range of PJ Masks cards for 'son', 'brother', 'grandson' and 'nephew', but none for female relatives.

She said: "Uh excuse me Tesco , girls like PJMasksUK too. Where are the daughter/sister/grandaughter/niece cards? LetToysBeToys ffs its2017 ."

Other retailers have recently been criticised over sexist displays and products.

In August mum Jemma Moonie-Dalton hit out at Clarks for offering 'sturdy, comfortable and weather-proof', shoes for boys, while she claimed the girls' shoes were 'inferior' and 'not suited to outdoor activities'.

Then later in the month a hat bearing the slogan 'future footballers wife' was removed from sale at Tatton Park after a barrage of complaints.

The furore over the 'disgusting' pink hat was sparked by a tweet from Laura Goss who said 'young female visitors deserve better merch (+ better grammar)' - in reference to the missing apostrophe.

Jess Day, campaigner for Let Toys Be Toys, said: "Our supporters often tell us they're frustrated by the narrow choices on offer for greetings cards.

"A card should be a fun personal message, so it's a shame that so often the choices seem to boil down to a load of boring stereotypes.

"There's been plenty of research to show that children take very seriously messages about what girls and boys are supposed to like, and be like, and that these stereotypes limit their choices and chances to develop.

"Pink and blue are great, but there are lots of other colours - it would be great to see a bit more choice."

She added: "The recent BBC documentary No More Boys and Girls showed how both boys and girls benefit when they're treated as children first instead of constantly being reminded about how they're meant to be different. Stereotypes really do matter."

A Post Office spokesperson said: " We try to make it as easy as possible for customers to select cards for a wide of range of occasions and in with other retailers, our display sections include signage as a guide to help customers do so.”

We have approached Tesco for a comment.