<human>: How do I know which terrarium plants are safe for children?
<bot>: The best way to determine if a terrarium plant is safe for children is to research the safety and toxicity of the plant before adding it to your child's terrarium. You can also check with your local nursery or garden center to see if they have any information about the safety of particular terrarium plants. Additionally, you can consult online resources such as the American Society for Testing and Materials (ASTM) database that provides information on the safety of various products.