Thunderbirds-model-kits-are-go (https://www.gerryanderson.co.uk/thunderbirds-model-kits-are-go/)
A 1/144 Thunderbird 1 would work with 10mm, and the 1/350 stuff would go with 6mm.
Cool. A Space:1999 Eagle in 1/350 would be even better.
(checks prices)
Wait. How much? £30 quid for Thunderbird 1 or 2. Don't have the heart to look at the rest. "Adult collectors only" pieces then :(
Yam tempted