My nearly 6 year old has his b-day coming up and having had 5 years of fun and games in the garden is ready for something different. He's not too fussed about a big do and can narrow it down to 6 in total for a nice day out. Definately not legoland type place, as far too expensive/stressful. Any ideas that won't cost the earth welcome .... He loves outdoors stuff (Alice Holt etc) but am looking for something that will be new to him. Pref so we can take a picnic lunch with us.We are nr Leatherhead,surrey. What have other people done ???