Price: ~~$16.99~~ - $27.99
(as of Feb 04, 2026 18:10:30 UTC – Details)

From the brand

Winter Favorites

New Products & Best Sellers

Science Kits

Craft Kits

Rock Tumbling Kits

Crystals

Magic Kits

Dig Kits

Your purchase has purpose!

Every purchase helps support the global nonprofit National Geographic Society in its work to protect and illuminate our world through exploration, research, and education.

GROW VIBRANT COLORED CRYSTALS – Grow crystals in 3 amazing colors: blue, purple, and green. With this engaging and educational science experiment for kids, chemistry has never been so fun and colorful!
NIGHT LIGHT DISPLAY – Show off your crystals on the patent-pending light-up display. With 7 single color modes, rainbow color mode, and 3 brightness levels to choose from, your crystal treasures will shine!
COMPLETE SCIENCE KIT – Contains all you need! Growing powder, clear seed rocks, growing chamber, light-up display, and easy-to-follow instructions. Our uniquely flexible growing chamber allows you to easily remove your crystals for display without damage!
START A ROCK COLLECTION – This kit comes with 3 real gemstone specimens, including a geode, green fluorite, and blue calcite, along with a detailed learning guide explaining how crystals grow and more! Makes an excellent STEM gift for boys and girls.
AWARD-WINNING PRODUCTS – Blue Marble, winner of the Toy Association’s prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!