The event, organized by organised by Children with Leukaemia, a national charity dedicated to the research and treatment of the condition, was attended by thousands of children from the South East as well as celebrities Jeremy Beadle and Chris Tarrant.
The action-packed day gave children suffering from illness and disability a chance to have fun and raise money for leukaemia and featured a fairground, bouncy castle and marching band, as well as a disco.
Worldwide Fruit handed out the apples as part of its commitment to health and to encourage children to boost their fruit consumption,the company said.
Gary Harrison, commercial manager for Worldwide Fruit based in Spalding added: "The charity delivered a very special day for the children. We are happy to have had the opportunity to demonstrate our commitment to healthy eating and wellbeing.”
Capespan was also on hand throughout the event to hand out citrus to the children.