Smithsonian Magic Rocks –
Grow Your Own Underwater Crystal Garden
Turn your tabletop into a mesmerizing world of color and chemistry with the Smithsonian Magic Rocks crystal-growing kit! Just add water to this science-meets-art experience and watch stunning, stalagmite-like towers spring to life in real-time.
What Makes Magic Rocks Magical:
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Grow Crystals in Minutes
Watch the chemical magic begin in as little as 10 minutes, with crystals forming and growing up to 4 inches tall.
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Build a Brilliant Underwater Garden
Drop colored stones into the included solution and watch them bloom into a vibrant aquatic crystal display—no green thumb required.
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Science You Can See
Packed with STEM educational content, kids can explore the fascinating chemical reactions behind crystal growth.
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Complete Set, Easy Setup
Includes aquarium tank, space-themed background, and a fun sticker sheet to decorate your crystal world.
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Do It Again and Again
After 6 hours, repeat the process and grow a new round of crystals for endless experimentation.
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Perfect for Curious Minds Age 10+
A hands-on, screen-free activity that sparks curiosity in science and the natural world.
Create, observe, and be amazed as science takes shape before your eyes. With Smithsonian Magic Rocks, learning looks as cool as it is fun!
