January 4, 2019 Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare 4M 7 Crystal Growing Science Experimental Kit with Display Cases – Easy DIY STEM Toy Lab Experiment Specimens, Educational Gift for Kids, Teens, Boys & Girls Added to wishlistRemoved from wishlist 0 Add to compare $21.99 Original price was: $21.99.$19.99Current price is: $19.99. 9%