National Geographic Mega Crystal Growing Kit with 8 Crystals Ages 8-12 | Grow 8 Colorful Crystals, Light-Up Night Display, Crystal Making Experiment, Science Kit, STEM Learning, Birthday Gift

FAST-GROWING CRYSTALS IN 8 COLORS - Blue, pink, red, purple, green, orange, yellow, and glow in the dark; crystal chemistry has never been so fast (grows in 3 - 4 days), fun, and colorful! The perfect educational gift for boys and girls.