Transworld Halloween and Haunted House Attraction tradeshow is the biggest of its kind anywhere in the world with the most events, seminars, tours, vendors, and buyers all in one place. Are you looking to buy zombie props, make up supplies, costumes, animations to whole entire haunted houses? Are you looking for hundreds of how to seminars, events, tours and more? Transworld has been producing the biggest and best haunted house and Halloween retail tradeshows for nearly 30 years with hundreds of thousands of people attending over the years.