Sell simple candy apples and caramel apples on sticks. Sell slim paper bags full of roasted peanuts or mixed nuts. Rent a popcorn machine, use traditional red-and-white striped boxes to hold the popcorn; offer a variety of shake-on flavorings. Sell kettle corn. Make your own chocolate, vanilla and peanut butter fudge. Make hand-pulled taffy in the original vanilla flavor or add other flavorings such as strawberry and banana. Rent or buy a cotton candy machine and offer paper cones full of pastel-colored spun sugar. Sell giant lollipops. Make caramel corn with peanuts. Sell frozen chocolate-covered bananas on sticks.
Have a booth full of kids' games. Set up a baby bottle ball challenge, using plastic bottles half-filled with sand. A customer gets three softballs to throw and can win a prize if he knocks over three bottles.
Set up a "fish pond," a curtained-off area decorated with fish. Place small prizes in brown paper bags, tie a long piece of cord and a clip clothespin to the end of a stick. A child "fishes" by casting the clothespin into the booth. Clip a prize bag onto the clothespin and tug on the line to let her know she's caught something.
Operate a quarter-toss game. A customer throws quarters at a numbered board on the ground and wins the prize indicated by the number his coin lands on. Or have the kids toss their quarters into fishbowls containing goldfish, which are the prizes.
Fill a booth with only sports-related merchandise. Use items such as sports equipment, books about sports and trading cards. Or offer team-branded sweatshirts, T-shirts, throws, mugs and bumper stickers.
Sell specialty teas and tea accessories. Offer canisters, teapots, cups and saucers, tea balls and pretty linens. Or focus on flavored coffees, grinders, scoops and coffee mugs.
Make handcrafted items of one type, such as retro aprons, Barbie doll clothes, key chains, quilted totes or handbags.
Offer caricatures or face-painting.
Operate a "kids corral" where children can take a break and make simple little crafts while their parents browse the rest of the festival.