Up to 50% off Scooby-Doo Mystery Birthday Party Supplies, Scooby Party Favors and Scooby Party Decorations. Our new updated, brightly colored theme is sure to please your little mystery solver! Scooby-Doo television shows have been in production since the 1960s. Scooby and his mystery bunch have brought laughs to millions of people worldwide. Scooby-Doo is a part of Mystery, Inc., with his friends Fred, Daphne, Shaggy, and Velma who are called upon to solve mysteries. You will find a large assortment of Scooby-Doo Mystery party supplies including invitations, cups, plates, napkins, banners, party favors, sticker�s and more all at our discounted prices. Create an unforgettable �Mystery Party� for your child with our full selection of Scooby-Doo party supplies.