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Reviewed in the United States on August 26, 2024
I've shared it with people and it's fun seeing the reaction to the diffraction hahaha 😂
Jay Allard
Reviewed in the United States on December 15, 2024
The rainbow patterns are vibrant, delivered pretty quickly.
N. Mccorkle
Reviewed in the United States on June 15, 2023
They diffract, they fit on your head. Kids and adults find them amusing. They were a great price.
Customer
Reviewed in the United States on May 16, 2023
Bought these to hand out at a music festival and seeing the excitement of the kids young and old was well worth the money! Next time I’ll buy more it was that much fun. They worked. Not flimsy. Get’em.
k
Reviewed in the United States on December 15, 2023
One got handed to me last year at Electric Forest and now I stick a stack in my camelback whenever I'm outside and lights are bright and people are having fun -- feelsgoodman.jpg
Erin Renee
Reviewed in the United States on November 10, 2023
I am a high school chemistry teacher. When we cover the electromagnetic spectrum, we do a lab with these and the kids LOVE them. The kids enjoy them so much that each year I buy more as prizes for kids who do well/ show improvement. They get so excited when they get one! Absolutely love these and highly recommend.
Haili
Reviewed in the United States on June 5, 2019
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rebizzy
Reviewed in the United States on December 8, 2016
Perfect for use in and out of the classroom. My 8th graders loved them, and even 12th graders seemed impressed. A must have for any teacher who teaches the EM spectrum, etc. Great gift for little kids, too. Seriously, an all around crowd pleaser that lets people understand that white light is really all the colors of the rainbow. Great stuff!
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