Word of warning, those Spiegel tents can get very hot, especially when you've got a sweaty toddler clinging to you as they cower from a 10 foot pretend t rex!
Might invest in one of those hand held battery fans for next Saturday.
I'm very sceptical about vacinne passports (particularly for domestic use) but unfortunately its not something I'd be too vocal about because I don't want to look to be aligning myself with wankers calling for doctors and nurses to be hung and they'll be all over any anti passport protests.