Or give guests a terrarium that can attach to the fridge! These DIY Wall Garden Favors, or vertical terrariums, are created with magnetic metal tins, gravel, decorative moss and air plants. Verify out the complete DIY at Ruffled: Mini Terrarium, Wall Terrarium, Wall Planters, Garden Terrarium, Hanging Terrarium, Bottle Terrarium, Terrarium Wedding Favor, Diy Wedding Favors, Party Favors