Can anyone suggest some good ideas based on which I can set up a stall

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I have a festival, function coming up in the next month. We have an option of setting up a stall. If you people could please help me with some ideas I would be really grateful. I want my stall to run really well and help me earn nicely :D after all this chance doesn't come very often. I tried thinking and I could come up with two ideas 1) to set up a lucky 7 stall. For the ones who are not sure what it is : I will have two dice with me, and a few customers/players opposite me. They can place their bet on any of the three choice - a) below 7, b) exactly 7 and c) above 7 They all place certain amount on it and i roll the dice and suppose if the total is 11, i.e. above 7, the person who places the bet on above 7 wins twice the amount he bets on, and the other persons who place it on equal to 7 or below 7 lose their money and I get it. Its more like gambling so I am little hesitant as to what the parents will have to say about it as this is a residential quarters. 2) My 2nd idea was to have a food stall. I am good at baking cakes and so maybe I can bake cakes and sell, but it wont make too much of an profit and has more chances of ending up in loss :( The lot here in mylot seems to have people with awesome ideas! So please hurry and help me with your ideas as the last date to register is very nearby. It can be a simple idea as well which you have tried in your college etc.