Geographics RoyalBrites 3-D Display Board, Corrugated, Lightweight, Eco-friendly, Tri-fold, Shelf, Portable, Smooth, Durable, 12/Carton (GEO27143) Case of 12Tri fold display board features a distinctive shelf to give your project a three dimensional look and provide a convenient space to display a model of your project. Incorporated header offers a handy way to label your display. Corrugated construction offers excellent durability while remaining lightweight for easy transportation. Smooth surface works well with paints, adhesives and markers. Tri fold display board is perfect for science fairs, school