Valentine Mailbox for classroom-exchange parties. Fun birthday party favor. School Fundraiser. High quality; 6 popular designs – CHILDREN’S PARTY FAVORS – These ready to go party-favor boxes are perfect for birthday treats, school fundraisers, and more. Makes a great tabletop shooting game too! Measures 10 x 8 x 4 inches, and is easily assembled by pushing out an accordion fold along each side, then inserting the top and bottom flaps. These beautifully illustrated boxes can be used long after the event for storing all sorts of important ‘trinkets and treasures’.