Enid Blyton's Enchanted Lands: The magic of the Faraway Tree season 1 episode 11 "The Rocking Land" has inflation scene with inflating suits as below (Clean inflation scene no burst, no pop)
https://www.youtube.com/watch?v=topHdAH1vuM
at 39:38
https://www.youtube.com/watch?v=ZZ87MmKjkRg
at 8:14
Anyone has other clips with better quality?
Wish i had a suit or two like that!