Manchester based family business SevenYays have been tearing up the advent calendar rulebook since their launch in June 2021. SevenYays was conceived during lockdown after then 16-year-old Anna Staal (as part of a GCSE Business Studies project) asked ‘Why don’t we have advent calendars for birthdays?’ The internet-based start-up have since sold over 10,000 personalised birthday 7-day gift ‘...