Thames & Kosmos Crystals, Rocks & Minerals

Make your own geode, learn about crystal shapes, find a magnetic rock, test rock properties, and learn all about the rock cycle with this creative earth science experiment kit!

All the materials to make a plaster cast and then grow seed crystals inside to create your own colorful geode are included. This kit has great information for any kid interested in geology, mineralogy, and crystal growing! It includes 12 specimens such as granite, marble, pumice, soapstone, and quartz. A few common household items are needed. A Thames & Kosmos kit.

More Information

• Crystals, Rocks & Minerals Kit Manual Sample (PDF download)

Crystals, Rocks & Minerals Kit

• Rocks: granite, limestone, basalt, marble, pumice, soapstone
• Minerals: calcite, pyrite, hematite, quartz, fluorite, magnetite
• Compass
• Magnifying lens
• Balloon
• Sandpaper
• Die-cut sheet
• Rock cycle sheet
• Wooden probe
• Geode mold
• Food coloring
• Measuring scoop
• Plastic lid opener
• Small specimen box
• Wooden spatula
• Large plastic measuring cup with lid
• Small plastic measuring cup
• Potassium hexacyanoferrate
• Citric acid
• Project guide