4 years & up. Durable unit with acrylic viewing window, built-in water basin and drainage reservoir, light shield that keeps plants growing but can be removed for viewing roots, 8 super-expanding grow mix wafers, 3 packets of seeds, identification labels and 16 page booklet with complete instructions and experiments. Measures 9 1/4"H x 16"W x 5 3/4"D.
[Warning: Choking Hazard - Small Parts. Not for children under 3 years.]