You are incharge of your own icecream stall
what you have to do is watch what the kids are after and
pick those items up put them on a try and pass them over to
the kids. make sure you make the correct orders other wise
the kids will not accept them. and you will have to dump
it in the bin and start again.
each kid will stand there for a limit of time make sure you
serve them quick and collect the money they leave behind.
If your unable to serve them in time the kids will walk away.