Business selling Jute bags in local area with name of area or suburb on the bag.
A business that sells stickers and temp tattoos of postcodes or zipcodes. Wholesale to stores, sell online.
I’d love to see someone bring out a dog treat holder (around the size of a Wii remote) that releases a dog treat with one push. It would also have a clicker installed on the side so you could click for your dog to hear and then reward them when they come.