We are going to need concrete with a mixture of one part cement and 3 parts sand. Then we are going to add water until we receive a consistancy, which is good to work with. We are going to need oil, a chain of lights, a little jar – this one is 11cm high. A plastic sphere with a diameter of 13cm, a bowl, where our sphere can sit and a glue gun. First we glue our jar with the opening to the sphere. We do this with hot glue. Before we fill the concrete into it, we are going to brush the sphere with oil, but do not brush the jar. Now, we are going to fill the concrete into it. Then we are going to tap the air bubbles out. We are going to let it dry for a couple of days. I let the concrete dry for a couple of days and now I´m going to take it out of the mold. Next, we take the other half of the sphere – or you can also use the same mold again – and brush it with oil. Then we are going to fill the concrete into it. Before we proceed, make sure the jar is cleaned. Now, we are going to stick this half into the other. We are going to need spacers. I´m using wooden sticks. So now we can place the half with the jar into the other half. Make sure it is centered. Then we are going to let it dry for a couple of days again. After a couple of days the concrete is dry and we can remove the wooden sticks. We can take it out of the mold. Then we are going to sand the edges with sandpaper. If you like, you can paint on the concrete. I´m going to use a Maya paint. At the end, we are either going to put a LED tea light into it or you can use the chain of lights. And then we are finished.