Jubilee family festival tickets x4 ?

I have 4 tickets to the jubilee family festival on sunday 3rd june in Hyde Park London. The tickets intitle 2 adults and 2 children OR 1 adult and 3 children entry into Hyde Park for the Jubilee Festival. RRP 52 starts at 10:30am - 7:00pm Acts include performances from Strictly come dancing, jon Culshaw, Myleen Klass and Disney in Concert (Princesses and Pirates a 70min grand finale) and Motorbike stunt show pls many more exciting things to watch 6 entertainment areas food stands and a kids zone where children can meet thomas the tank engine, mike the knight, firman sam, bob the builder, angelina ballerina and jake and the neverland pirates. full lineup can be seen at www.sainsburys.co.uk/festival