This Terrarium with Unfinished Wood Base makes a great DIY project to decorate for a wedding, special event or every day! Fill the terrarium with a plant or sand or whatever you want to create a beautiful centerpiece, and paint the base or add a special message. Glass and unfinished wood. 6 1/2" diam. sphere with 3 1/2" diam. opening, and 2-1/4" x 5-1/2" diam. base.