Combine simple ingredients together and watch a fun reaction that results in gorgeous crystal formations with the Discovery crystal aquarium! Decorate and personalize the see-through aquarium with a fun graphic background and decals, then combine the crystal growing solution and crystal growing seeds. Watch as the crystals grow before your very eyes into exciting colorful formations! Soon your blue, pink, green and yellow crystal creations will be sparkling. Experience the fascinating science behind crystal formations to encourage observation and curiosity with this hands-on activity and fun-fact poster.