Grow your own moving flowers or cacti on your window sill at home. Fun little terrariums are egg shaped and stand 2¾" tall. Each comes with a premium sprouting mixture disk and a packet of seeds. Simply place the disk at the bottom of the terrarium, add water, add seeds, will begin sprouting in 1-2 weeks. Plants are super sensitive and you can watch them close their buds when in the cold, in the dark, or even when touched! Fun for home, classrooms, camps, and more.