Science Kit: Grow Crystals - Blue

With crystal salt and blue dye, a sparkling crystal is grown overnight in this KOSMOS experiment kit. The wonder of nature can subsequently be displayed in a small jewelry box.
Children experiment with different solutions in a playful way while growing the crystal, thus discovering initial aspects of chemistry. The easy-to-understand, colorful instructions explain the production process step-by-step. Ages 10 and up.

Contents: 1 sachet of alum (20g), 1 blue coloring tablet, measuring cup, stirring rod, crystal container, color-illustrated instructions

Made in Germany