Crystal Projects for Kids
What Is a Crystal?
Get the definition for a crystal and learn about some common types of crystals.
Rock Candy Video Tutorial
You don't have to visit a candy store to get colorful rock candy. See how easy it is to grow your own sparkling (and tasty) rock candy crystals at home.
Rock Candy Instructions
Rock candy is candy made by crystallizing sugar. You can grow sugar crystals yourself, plus add color and flavor to make rock candy that you can eat.
Seed Crystal Instructions
A seed crystal is a small single crystal that you use to grow a much larger crystal from a saturated crystal solution. This is how you can grow a seed crystal yourself.
Baking Soda Stalactites and Stalagmites
Make your own stalagmites and stalactites using baking soda or sodium bicarbonate. It's an easy, non-toxic crystal project.
Baking Soda Crystals
Baking soda crystals are easy to grow. Here are step-by-step instructions explaining how you can grow baking soda crystals yourself.
Big Alum Crystal
Do you want to grow a big single crystal instead of a mass of crystals? Then try out these instructions for growing a big alum crystal. You can apply the techniques used here to grow big single crystals of other substances, too.
Do real snowflakes melt too quickly? Grow a borax snowflake, color it blue if you like, and enjoy the sparkle all year long!
Borax Crystal Snowflakes Video
Learn how to grow borax crystal snowflakes - overnight! The crystal snowflakes make great ornaments and are safe and easy to grow. You'll even learn how to make colored snowflake crystals in this video.
Charcoal Crystal Garden
Make delicate, colorful crystals! This is a great classic crystal-growing project. You use charcoal briquettes (or other porous materials), ammonia, salt, bluing, and food coloring to grow a sort of crystal garden.
Copper Sulfate Crystals
Copper sulfate crystals are among the easiest and most beautiful crystals that you can grow. The brilliant blue crystals can be grown relatively quickly and can become quite large. Here's how you can grow copper sulfate crystals yourself.
Crystal Geode Project
Natural geodes are hollow rock formations that contain deposits of crystals. Assuming you don't have a geological timeframe to obtain a geode, it's easy to make your own crystal geode using plaster of paris, alum, and food coloring.
Crystal Spikes in the Sun
Most crystals take days or weeks to form. Use this technique if you have a sunny day and want crystals FAST!
Cup of Quick Crystal Needles
Grow a cupful of epsom salt crystal needles in your refrigerator. It's quick, easy, and safe.
Easy Crystals to Grow
Are you looking for an easy, safe, reliable crystal-growing project? These alum crystals may be the easiest crystals you can grow.
Emerald Crystal Geode
Grow this crystal geode overnight using plaster for the geode and a non-toxic chemical to make simulated emerald crystals.
Epsom Salt Crystals
Epsom salt crystals are easy to grow and form quickly. Here's what you need to know to make your own magnesium sulfate crystals.
Geode of Copper Sulfate Crystals
Geodes are rocks that contain crystals. Normally, millions of years are required for flowing water and minerals to deposit crystals, but you can make your own 'geode' in only a few days. Grow blue copper sulfate crystals inside an egg shell to make your own geode.
Glow in the Dark Alum Crystals
Alum crystals are among the quickest, easiest, and most reliable crystals you can grow. Did you know you can make them glow in the dark by adding a common household ingredient to the crystal growing solution?
Glow in the Dark Crystal Geode
It's very easy to make a glow in the dark crystal geode. The rock is a natural mineral (eggshell). You can use one of several common household chemicals to grow the crystals. The glow comes from phosphorescent paint, which you can get from a craft store.
Glow-in-the-Dark Crystal Snowflake
Learn how to make a glow-in-the-dark crystal snowflake or other glowing holiday ornament. This is a safe and easy project that's great for kids and kids-at-heart. The crystal decorations are light-weight and inexpensive to make.
Magic Crystal Christmas Tree
A magic crystal Christmas tree is an easy crystal project you can do for the holidays.
Magic Rocks - Review
Magic Rocks are a classic instant crystal growing kit. You pour a magic solution over magic rocks and a fanciful crystal garden starts growing as you watch. Here's my review of the Magic Rocks kit.
Maple Syrup Crystals
Making maple syrup crystals is a fun project for children. It's great for adults, too, since the maple syrup crystals may be used in place of sugar as a pretty addition to drinks or other treats. Here's how to make the crystals.
NSI Smithsonian Crystal Growing Kit
The Smithsonian Crystal Growing Kits allow you to grow beautiful crystals quickly and safely. Each kit contains everything you need, except water, to make jewel-bright crystals that resemble natural mineral clusters.
Patio Table Crystals
Turn the surface of your glass patio table into a safe place for kids to explore crystals. Here's an easy crystal project you can do on any warm, sunny day using ingredients from your kitchen.
Potassium Alum Crystals
Potassium alum or potash alum crystals grow very quickly and easily. If you color the crystals red you can get beautiful 'ruby' crystals. Here's what you do.
Quick Crystal Growing Projects
Grow crystals quickly and easily with these top crystal growing projects.
Quick Sheet Crystals
If you don't have the time or patience to grow crystals over hours, days, or longer, try growing these sheet crystals. You'll get results in seconds!
Salt and Vinegar Crystals
Salt and vinegar crystals are easy-to-grow non-toxic crystals that you can grow in a rainbow of colors. This crystal growing project is especially good for kids or beginners looking for quick and easy crystals.
Salt Crystal Geode
You can make a salt crystal geode in any color of the rainbow. The geode showcases the beautiful cubic structure of sodium chloride or table salt.
Sugar crystals are also known as rock candy since the crystallized sucrose resembles rock crystals and because you can eat your finished product. You can grow clear sugar crystals with sugar and water or you can add food coloring to get colored crystals. It's simple, safe, and fun.
Table Salt or Sodium Chloride Crystals
It's easy to grow your own table salt or sodium chloride crystals. All it takes is salt and boiling water. One method even yields crystals within a few hours. Here's what you need to know.
Borax Crystals Photo Gallery
See pictures of borax crystal snowflakes and other examples of borax crystals. The photo gallery was created so that I could keep track of my borax crystal pictures. It should give you a good idea of what to expect when you grow borax crystals.
Crystallized Holiday Stocking
Grow crystals on a holiday stocking to make a glittering crystallized decoration or ornament.
Borax Crystal Heart
Grow borax crystals overnight to make a beautiful sparkling crystal heart. Use the borax crystal heart as a decoration or simply grow it as a fun crystal project.
Borax Crystal Star
Grow borax crystals around a star shape to produce a crystal star that may be used as an ornament or decoration.
Crystal Frost Window Paint
Grow non-toxic crystals on your window that look like frost. These easy crystals grow in a few minutes and look like frost, even if it's warm!