Photo 1 of 4M Crystal Growing Science Kit - 3 Colored Crystals - Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls Ages 10+ 3 Crystals

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Photo 1 of 4M Crystal Growing Science Kit - 3 Colored Crystals - Easy DIY STEM Toys Lab Experiment Specimens, A Great Educational Gift for Kids & Teens, Boys & Girls Ages 10+ 3 Crystals