4M CRYSTAL GROWING COLOUR CHANGING CRYSTAL LIGHT

Grow crystals and display them on their own color-changing LED light base. Conduct 7 crystal growing experiments (1 large, 2 medium, 4 small). It's fun to watch the sparkling crystals grow in front of your eyes.

Includes growing crystal, light display base (measures 5.75" x 4") and detailed instructions. 2 AA batteries required (not included). Large crystal measures 2" in diameter.

Recommended for ages 10 and up.