Around 7" by 7" size / If your home or office doesn't have enough light, then cactus terrarium can be a solution because cactus live better than succulents where doesn't get enough light. / Our designers will use the best colored and shaped cactus(and some succulents) available at the moment we make. So every arrangements will be different. We have 4 kinds of bruce lee action figures. And we will use the figure will fit for a design unless you ask us to use specific one.