3D Flower Assembly Video for Students | Spring Math Center Craft | Spring Flower Bulletin Board & Door Decor Idea. This step-by-step assembly video is perfect for showing to your class so students clearly understand how to turn their flat flowers into fun 3D pop-up versions. Designed for easy classroom use, this engaging math craft allows students to independently follow directions while creating an eye-catching finished product. If you need Flower templates for your students, take a look at