The Biospheres are our signature line of themed terrariums and the most fun as they have the widest selection of all our kits. One's imagination can run wild as they create their own fanciful miniature themed world complete with plant stakes, semi-precious stones, fun creatures and more! Each kit contains 5-20 kinds of plants in 3-5 color and informative seed packets. This line has all the most popular evergreen themes andmore are the way!