Smithsonian Magic Rocks
| Ages: | 10+ |
| Price: | $14.99 |
| Website: | http://www.nsi-intonline.com/ |
| Year: | 2023 |
Create a brilliant underwater garden with this instant crystal growing kit. This simple and fun project has been around for decades and is still as amazing and entertaining as ever. Simply place your colored stones (metal salt crystals) into the magic solution (sodium silicate dissolved in water) and watch them grow into beautiful, colorful crystal formations – within just ten minutes. Repeat this process in six hours, and watch with amazement as your rocks grow into colorful stalagmite-like towers. Enclosed STEM content explains the chemical process. Set includes an aquarium tank, space background and sticker sheet. Rocks grow to different heights, up to 4” tall! Ages 10+.
Available online and at: Target