This add-on creates a scalloped window with stitched detailing for your Ta-Da! Diorama! interactive projects. Turn your diorama into a party scene with the included balloon, bunting banners, and stars! Coordinating Lawn Cuts: Ta-Da! Diorama! We have lots of fun add-ons to check out in the Ta-Da! Diorama! Collection! approximate sizes:scalloped opening: 3"  x 3 3/4" assembled bunting: 2 3/4" x 3/4"balloon: 3/4" x 7/8" star: 3/8"  x 3/8"  This set has 7 pieces. Lawn Cuts custom craft dies are high-quality steel and are compatible with most die cutting machines!