Our school had the present shopping for parents room too. DCs apply in advance (so there’s enough presents) and between donations and some shopping, there’s a range of things available to choose. Some “stock” kept boxed for later in the day so reasonable choice no matter when DCs visit. 6th class “Elves” help smaller DCs to choose and wrap/label, and pop into a paper bag to bring home - many surprises are not a surprise we’ll before leaving school!
Elves also on duty to help with Santa grotto.
School “cafe” using staff room (for kettles, microwave, sink) always busy - parents of a designated class in charge (rota basis across the fairs - 2 per year) and it needs a couple of large quiche and a batch of soup, as well as scones, buns, tea, coffee and squash. But makes loads and parents always love the chance to wander through the staff room.
Different take on “water into wine” is a wooden wheel with nuts/bolts and a plastic flipper (end of a spatula!) with each bolt numbered to 40, table numbered to 40 and a bottle on each number. You pay to spin the wheel, and get whatever bottle you land on. Liquid soap, 500ml water, fruit shoots, beer, wine, all sorts. Usually something like €1 for 1 spin, or 6 for €5. Lots of interesting games bottles get donated - I’ve seen the same paint speckled bottle of rose at least 5 fairs in a row!
I presume there’s a books and a toys/games stall, for 2nd hand items? The number of times dd has bought back items she’s donated the week before!
Student entrepreneurs stall for say 3rd class up. They stock it, at least half profits must go to a charity (specified in advance) but they get a chance to stock, set up, and sell, for themselves if they have ideas. Can be groups but not large ones, no more than maybe 4 per group and only say 2 on duty at a time. Lots of DCs want to support their friends too by buying. Only money for pta is the small rent for stall (loads less than any other paid stall you might let to parents or locals with small businesses - but they appreciate the principal) but the kids doing it learn loads!
I suppose it slightly depends whether you’re trying to just make money for PTA or build school spirit and community as well.