ShowbizCome out to play!Trafalgar Square will become a giant theme park for the day!Libby Norman|Metro Life11 April 2012LONDON PLAYDAYTrafalgar Square becomes a giant theme park for the day. Activities are targeted at children aged up to 14 and there's a picnic area, as well as family-friendly zones.Trafalgar Square, WC2 (020-7983 4100). Wed 4 Aug, 11.30am-4pm, free. www.london.gov.ukMORE ABOUTAmusement ParksPicnicsTrafalgar Square