Review on ๐ฅ Rob's Super Fun Store Fireworks Diffraction Glasses - 50 Starburst Effect Glasses + 1 Rainbow Hearts Effect Glasses - Optimize Your Search! by Kevin Singh
Fun and great value for money
Bought these as a birthday present for my preschool classmates. The kids had a blast with it and it was a great alternative to candy. You get a lot of product for the price but as a science teacher with a lot of experience with spectral glasses they weren't the best in terms of spectral diffraction. The rainbows worked reasonably well, seem durable and should last a while, but we didn't see any diffraction in the heart diffraction glasses.
- Firecracker diffraction grating glasses are great for parties, EDM/rave events, even the moon and stars
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