Source
From the announcement:
Amera are proud to announce the imminent release of their diorama base for Airfix's 1:32 Strong Point kit as authorised by Airfix. The base and kit will enhance a typical WW11 diorama scene using 1;32 & 1:35 scale figures and vehicles.
The well detailed base, supplied unpainted in white plastic, is further enhanced with 2 separate vac formed crates for the modeller to position where they wish.
The base will be available separately, and with the Strong Point kit.
The base measures 41cm x 32 cm x 4cm and will retail at £6. The base and kit will retail at £22.99.