 He opened his camp on 11 April 1936 ( Easter Even ) . It was officially opened by Amy Johnson from Hull , who had been the first woman to fly solo from England to Australia . An advertisement costing £ 500 ( 2011 : £ 28 thousand ) was placed in the Daily Express , announcing the opening of the camp and inviting the public to book for a week 's holiday . The advertisement offered holidays with three meals a day and free entertainment with a week 's full board , at a cost of between 35 shillings ( £ 1 @.@ 75 ) and £ 3 ( 2011 : £ 167 @.@ 00 ) , according to the time of year . The advert proved successful , and over the first summer season the capacity of the camp had to be increased from 500 to 2 @,@ 000 , to cope with the demand . 
