PA
Schools are banning the activities due to fears of broken bones and even nut allergies, according to a survey by the Association of Teachers and Lecturers (ATL).
It also reveals that pupils are being taken on fewer school trips due to too much form-filling, a lack of time, funding and safety fears.
Almost three in 10 (29%) of the heads, teachers and support staff questioned said British bulldog has been banned in their school, while 14% said pupils are forbidden from playing conkers and nearly one in 10 (9%) said leapfrog had been banned.
Some 5% said children were prevented from playing marbles and the same percentage said chasing games like tag had been banned.
One primary school teacher told researchers: "Apparently the main problem with conkers is that nut allergy sufferers are increasingly allergic to them."
"Bulldog is banned because of the number of broken bones it generates," a secondary school teacher said.
In total, one in six (15%) of those questioned said fewer playground games and sports are played at their school now than three years ago.
Three in five (60%) cited the reduced number of staff available to supervise pupils as the reason for this, while more than half (55%) said it was due to teachers' concerns over pupil safety.
More than two in five (42%) said there was a fear of being sued if something went wrong in a game.
Does this make you sad?
Do you think we're bringing up a cotton wool generation who will never experience the fun of games like tag and British bulldog?
Does your children's school have such bans in place?