4M Crystal Growing Color Changing LED Light Kids Science Kit - Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls
Brand: 4M
Grow crystals and display them on their own color-changing LED light base
Conduct 7 Crystal growing experiments; fun to watch the sparkling crystals grow in front of your eyes
Includes Crystal growing medium, light display base and detailed instructions
Requires 2 AA batteries (not included)
Recommended for age 10 years and up