If you have a child aged 3 or 4 please note they will be required to buy a ticket at the door of shrek we do not offer the ticket here as tower of london the child age is from 5 years we do this to give you the best possible price what is shreks adventure welcome to dreamworks tours shreks adventure london a brilliantly bonkers walk ride attraction for the whole family which begins when you board the dreamworks tours magical flying 4d bus to far far away step into and star in y