A great thing to do with the kids is show them how the root systems are on plants. It will give them a better handle on how it looks like in the soil below the part of the plant we see every day. And a cute new way to watch plants grow! A great result and gives kids an education that is a real hand's on learning tool. Garden includes wooden tube holder, three 5.5 inch plastic root viewers, growing medium, vegetable seeds and instructions. Information on how to place your order by fax or by telephone. Ages 5 and up. Product Number: TS2891