Scientific Explorer Grow Colossal Crystals

Características:

• Fun and safe educational make-it-yourself crystal growing kit

• Watch dazzling crystals grow right before your eyes

• Contains powder formulas to create diamond clear white single crystals, jagged crystal clusters and vibrant colored crystals

• Scientific Explorer is the industry leader in fun, educational and activity-based science kits

• Recommended for children 9-years of age and older with adult supervision