Join Andy and Terry in their astonishing 39 - storey treehouse! Jump on the world's highest trampoline, toast marshmallows in an active volcano, swim in the chocolate waterfall, pat baby dinosaurs, go head - to - trunk with the Trunkinator, break out your best moves on the dance floor, fly in a jet - propelled swivel chair, ride a terrifying rollercoaster and meet Professor Stupido, the world's greatest UN - inventor. Well, what are you waiting for? Come on up!