2. Party Expert is the ultimate destination for all your party needs, offering a wide range of products including balloons, decorations, tableware, and party favors. Their extensive selection of party costumes and accessories is sure to impress, making it easy to find the perfect outfit for any occasion. Customers appreciate the vast variety and affordable prices at Party Expert, ensuring that they have everything they need to throw a successful party. 6. - Party Expert has been serving Canadians since June 1999 - Party Expert is the largest party supply and costume store in Canada - They offer a vast selection of party supplies and costumes at affordable prices 7. Party Expert specializes in providing customers with all the essential products needed to organize any type of party, from birthdays to corporate events. They also offer a diverse range of party costumes and accessories, making it a one-stop shop for all your party needs. With their commitment to quality and affordability, Party Expert ensures that customers can create memorable and enjoyable experiences for their guests.