An afternoon of giant inflatable fun on a community green is due to run until 4pm.
Families can try out 'zorbing' – rolling down a hill in a giant transparent blow-up ball – and tackle inflatable assault courses at the Big Bounce on the green in Jessel Drive, Loughton.
The event is organised by The Red Balloon Family, Epping Forest Community Church, Restore Community Church and Loughton Town Council and ticket prices start from 50p.
Height restrictions apply for some activities.
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