Back To School Goodie Bag Giveaway! Join us at the Olathe Christmas In July Vendor Market & School Supply Giveaway for a day of shopping local vendors, vendor raffles, and back to school goodie bags given away to the first 100 kids in attendance! Select vendors will be giving away FREE school supplies. The market is FREE and open to the public! Sunday, July 30th from 10am-4pm at American Legion Post 153, 410 E Dennis Ave in Olathe.