Smithsonian Magic Rocks Value Set

Basically Books Verified independent store

→

Create a brilliant underwater crystals with this kit! Place your colored stones (metal salt crystals) into the magic solution (sodium silicate dissolved in water) and watch them gr ow into colorful crystal formations. In six hours, repeat these steps and watch with amazement as your rocks expand into colorful stalagmite-like towers. Each set includes a sticker sheet. Show more