> All the sets and figures from the new Wallace and Gromit film are safe because they are being exhibited elsewhere in Bristol.

That looks to be what's being auctioned.

If I had the disposable money, https://propstoreauction.com/lot-details/index/catalog/549/l... would have been mine.

some are

> Feathers McGraw’s body, including his wicked flippers, is made of clay, crafted over a fully jointed internal metal armature. The red glove he famously wears as a remarkably effective disguise — one that somehow seems to fool Wallace every time — is made of silicone. His eyes are glass pins, while his beak is fast-cast resin. The tea-stained mug he grips is resin. He comes displayed on a wooden base.

Mostly, yes! They use a very specific clay from a producer which went out of business a few years ago. They've bought up all the stock they can and use that clay for pretty much all of the character puppets, along with other materials. There was a great documentary on the BBC a couple of years back which went behind the scenes and talked about how they make and use the puppets.