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.
Details:
Crystal growing kit
For ages 8 and up
Contents:
1 blue dye
1 red dye
4 packets of crystal growing salt
lié au Thames & Kosmos Crystal Growing: 3L Version
Découvrez les pièces qui viennent d'atterrir et dont votre maison a besoin maintenant!