Special soil for succulents / cacti to help drain moisture.
Clean and dry the glass before assembling. Make sure the succulents can fit into the glass container. Place medium sized pebbles in the bottom, place small sized pebbles on top
Open the roots from the bottom.
Place a thin layer of succulent soil on top and add succulents.
Make sure roots are covered with soil, add more if needed, then pat down. Most succulents don't need to be watered during winter, they enjoy indirect sunlight.