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  • How are reviewers describing this item?
    great, set, first, old and good.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 16.
  • Previous analysis of this listing was an F grade.
  • Our engine detects that in general the reviewers have a suspiciously positive sentiment.
  • Our engine has profiled the reviewer patterns and has determined that there is high deception involved.
  • Our engine has analyzed and discovered that 22.5% of the reviews are reliable.
  • This product had a total of 172 reviews as of our last analysis date on Jan 27 2019.
Reviews Summary

It would be great for kids to do with their parents as well, as a fun experiment

This has been a fun activity, the crystals are really cool! this will get the kids learning while they are having great fun!

This has been a lot of fun for our eight year old nephew to do with his parents

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