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. Ages: 8+ Experiments: 3 Piece Count: 9 Manual Pages: 10 Product Dimensions: 7.4 x 8.8 x 2.3 in. Product Weight: 0.5 lb Manual Dimensions: 3.5 x 3.5 Batteries Required: N/A Country of Origin: Taiwan Year Released: 2020

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