What does Christina's mystery item have to do with this cake?

Can the fair-goers in Brighton guess what it is?

12 June 2020

3 minutes

This clip is from

Bargain Hunt—Series 56, Brighton 18

Does this piece of heavy metal rock your world?—Series 74, Leominster 16
Duration: 03:08
Imagining what life was like for millions of soldiers in the First World War trenches.—Series 74, Detling 9
Duration: 04:57
Keepsakes that once belonged to entertainer Arthur Askey go under the hammer.—Series 74, Newark 2
Duration: 04:38
Christina Trevanion buckles up in a vintage muscle car for a lap of one of Britain's fastest racetracks.—Series 74, Exeter 11
Duration: 04:39