Coconut heads that grow hair/grass when watered. Each Grow-A-Head is handmade and will vary slightly. Individual unit contains: One head Glass bowl instruction sheet on how to grow your head Educational information. Grass will sprout quickly, usually within 5-7 days. Head will continue to grow for approximately 2 months if watered and styled. Product will grow in office light or in indirect sunlight. Not recommended for children under 3 years of age.