Additional Details ------------------------------ Bullet point: GET GROWING & GLOWING - Make your own glowing terrarium as you learn how to grow real plants from seeds! Watch the alfalfa grow each day, place it in your terrarium, and let it glow! UV LED string lights attach to a plastic moon from the center of your sphere for a fantastic glowing effect! Safety warning: Front: WARNING: Science Education Set. This set contains chemicals [and/or parts] that may be harmful if misused. Read cautions on individual containers [and in manual] carefully. Not to be used by children except under adult supervision. Back: WARNING! Not suitable for children under 3 years. Choking hazard — small parts may be swallowed or inhaled. Strangulation hazard — long cord may become wrapped around the neck. Keep the packaging and instructions as they contain important information. Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.