Ignite your creativity and curiosity through play with this Discovery Crystal Aquarium. Mix a ready-to-go solution with crystal growing seeds inside the aquarium provided and watch colorful formations grow right before your eyes and observe each stage of the crystal growing process as they soar up to 4 inches tall! Get creative and decorate your aquarium with tons of cool stickers and discover what makes crystallography so fascinating with a bonus poster. Everything you need is included. Recommended for ages 12 years and up.