Human: How do I make a good terrarium? Assistant: 

1. Start by gathering the materials you will need for your terrarium, such as glass or plastic container, soil, gravel, and plants.
2. Fill the container with about 2 inches of soil.
3. Place some gravel on top of the soil to create drainage.
4. Place your plants in the container.
5. Pour water into the bottom of the container until it is almost full.