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Smithsonian Magic Rocks - (6PC)

$79.00

Create a brilliant underwater garden with this instant crystal growing kit! Place your colored stones (metal salt crystals) into the magic solution (sodium silicate dissolved in water) and watch them grow into colorful crystal formations. In six hours, repeat these steps and watch with amazement as your rocks expand into colorful stalagmite-like towers. Explore the enclosed STEM content to learn about the chemical process. Each set includes an aquarium tank, a space background, and a sticker sheet.

  • Watch colorful crystal formations grow before your eyes!
  • Rocks grow to different heights up to 4" tall.
  • Crystals begin growing in just 10 minutes.
  • Ages 10+

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