The large Glass Observation Box is a must have container for making creative centerpiece displays. Use this metal-framed, glass box to hold colorful flowers, handcrafted terrariums, or an assortment of small candles. The glass conservatory measures 5" tall and is 12" long. It is divided into three equal compartments so you can put different decorations in each. The observation box also comes in a smaller size with two compartments.