Find a container with a wide opening. 

Fill the bottom with a few inches of gravel, rocks, or marbles. This allows for the water to drain properly. 

Add some soil that is suited for Cactus and Succulents. 

Plant a variety of small Cactus and Succulents leaving some room for them to grow. 

Add small things to make it look cool such as small plastic animals, or neat rocks.

Put in direct sunlight. 

Water infrequently, every other week or so depending on the climate.