This transparent plant science lab allows kids of all ages to watch how plants grow both above and below the ground! Constructed of sturdy acrylic, this plant viewing window is crystal clear and break resistant. With specially formulated growing wafers and a self-watering device, growing your onions, carrots, and radishes is incredibly easy and the included instructions booklet provides classroom-tested exeriments along with grow charts and digrams. Gardeners of all ages will have no problem growing their plants from seeds and will benefit greatly as they oberve the roots shoot through the soil. Recommended for children ages 4 and up.