SPARK: Crystal Growing
$9.95
$9.95
SPARK: Crystal Growing
- Ages 8+
- 3 Experiments
- 9 Pieces
- 10-Page Manual
Grow sparkling, colorful crystals overnight from a safe solution of potassium aluminum sulfate. Single out the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal. This kit includes four packets of crystal-growing salt and two dyes (red and blue) so you can grow a variety of crystals in different sizes and colors.