Children on a new estate took up banners as they staged a protest calling for their new playground to finally open.
Parents on Butterfield Meadows at Hunstanton say youngsters who moved in with their families four years ago have been unable to use equipment they were promised to play on.
When the EDP contacted developer Hopkins Homes, it pledged the area would be open at the start of next month.
Carer Ruby Goold, who lives on the estate, is collecting signatures for a petition to send to the developer.
"The kids are playing in the street because they haven't got anywhere else," she said.
"They can't play on the field because there are signs everywhere saying no ball games."
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Miss Goold, 42, said some children who moved onto the estate shortly after it was completed five years ago, had grown too old for the playground without ever being able to use it.
Neighbour and mother-of-three Kelly Stevenson, 43, a mum-of-three, said: "When we came to view our house four years ago it was part of the reason we moved here.
"Our oldest at that time was 11 or 12. They're 16, 13 and eight now."
Ethan, aged four, was to collect signatures. He said: "I'd be happier if I could use the playground to play on."
In a statement Hopkins Homes said: "Unfortunately, we had to delay the opening of the play area to ensure it is a safe and enjoyable environment for children.
“This delay was due to the initial grass seeding not growing as expected due to the dry summer last year. However, the new turf to replace this is now established, and the grass is thickening up, ensuring it covers the safety matting around the equipment.
“We now plan to open the play area at the beginning of May."