THAMES & KOSMOS CRYSTAL GROWING

Grow sparkling, colorful crystals overnight!
Includes four packets of crystal-growing salt and two dyes (red and blue) so that you can grow dazzling crystals of different sizes and colors.
Learn about crystallization and crystal formation as you conduct the experiments.
A classic, perennially appealling science activity kit at a great price.
Three-language packaging and manuals (English, French, Spanish)