Grow and learn about some of the most unusual plants on the planet. Sprout plants with figurative patterning, and the World's Fastest Growing Plant! Comes with everything you need- just add water! For 12 Students or groups. Contents include: Two 50mg. Packs of Polka Dot Plant Seeds, Two 150mg. Packs of Mustard Seeds, 24 clear planter and dome tops, water retention polymers (1.6oz), 24 Blank Plant Stakes, 2 Compressed Germination.