This looks like a misprice to me with the next cheapest available being £18. It's a newly released box set with some nice additions:-
"A Fantasmagorical Motor Car" Featurette
"Remembering Chitty Chitty Bang Bang" with Dick Van Dyke
Vintage Featurettes - The Real Caractacus Potts, Dick Van Dyke Press Interview,
Sherman Brothers Demo
Sing Along With Chitty Chitty Bang Bang
Read Along With Chitty Chitty Bang Bang
Interactive Games - One Person's Junk Is Another Person's Jalopy, Toot Sweet Spe
Extracts from "The Making Of Chitty Chitty Bang Bang The Musical"
Vintage Advertising Gallery
Free Ticket Offer to 'Chitty Chitty Bang Bang The Musical'
Collectable Corgi Car
Original London Cast Recording From 'Chitty Chitty Bang Bang The Musical'
Exclusive Chitty Chitty Bang Bang Book
Showing as a preorder but mines just been dispatched.
Quidco @ 8%