SKU: 34619988707

Blindsight 2.0 by Devin Knight

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Description

Blindsight 2.0 by Devin KnightEffect: The performer shows an 8. 5 x 11 inch chart that has the names of four different colors printed on it in different color inks. He says he will attempt to confuse a participant's mind. A participant is asked to quickly call out the color of the ink that each word is printed in. Despite his best efforts, he invariably miscalls some of the colors. For example, if the ink is blue, he may say it is red. This is all very amusing to the audience as

Effect:
The performer shows an 8.5 x 11 inch chart that has the names of four different colors printed on it in different color inks. He says he will attempt to confuse a participant's mind. A participant is asked to quickly call out the color of the ink that each word is printed in. Despite his best efforts, he invariably miscalls some of the colors. For example, if the ink is blue, he may say it is red.
This is all very amusing to the audience as he cannot seem to say all the colors correctly!

The performer says that if the participant is having trouble correctly naming colors that he can see, perhaps he can do better if he cannot see the colors. The performer says he would like to try an experiment to see if the participant has the ability to detect colors sight unseen. The performer shows some opaque envelopes and four different large colored cards. The four cards are placed inside the 6 x 9 envelopes and mixed so the participant has no idea which envelope contains which colored card. Next the envelopes are held up one at a time in front of the participant. The performer asks the participant to attempt to use Blindsight (the ability to see colors, sight unseen in your mind) to determine which color is in each envelope.

The participant says which color he thinks is inside the first envelope. The performer then writes that color on the outside of the envelope. This is repeated until all the envelopes have a color written on the outside of them. After each envelope has a color written on it, the participant is asked to set aside one envelope for the grand finale.

For a climax, the performer opens each envelope and shows that the participant has successfully used Blindsight to correctly determine which color was in each envelope. The performer has the participant pick up the envelope he set aside and remove the colored card. Assume it is yellow. Obviously, it matches the color written on the envelope because the other three were correct.

This is pretty amazing in itself, but the real kicker is yet to come. The performer states that nobody could have known which envelope and color the participant would set aside. The performer shows the back of the chart (which has been in full view) containing the list of colors. The back of the chart has printed on it: YOU WILL SET ASIDE YELLOW. This makes for a stunning climax that can be seen from the largest stages.

LOOK WHAT THE PROS ARE SAYING:

"Thought of as being an underground thinker with much intrigue, Devin Knight has created a solid piece of entertainment with Blindsight 2."
- Banachek

"I was impressed enough to say the original version of this was the best effect I saw at Mindvention. Now, a few years later, this version, a parlor/stage version of the original, is still as impressive."
- JHEFF

"Devin Knight's Blindsight 2 is an awesome effect. The thinking behind it is devious. This is something that packs flat... and plays BIG! Very colorful too. It makes for an eye pleasing presentation, as well as a mind blowing experience."
- Tom Craven

"Devin Knight's most baffling and engaging close-up mentalism effect grows to stage size, adding an amusing, perplexing introductory phase."
- Jerry Dunn
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SKU: 34619988707

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4.2 ★★★★★
Based on 25 reviews
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UberConsumer
Boise, US
★★★★★ 1
Don’t buy
Size: Eufy E25 Omni / E28 Omni E28
Black roller brush doesn’t fit. Quality is not the same as eufy. The filter doesn’t have as many pleats ergo doesn’t filter as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
C
ChknMom
Bozeman, US
★★★★★ 5
Perfect Fit for Eufy E25 - Great Way to Refresh Your Vacuum
Size: Eufy E25 Omni / E28 Omni E28
This replacement kit worked perfectly with my Eufy E25 robot vacuum/mop. All of the parts fit as expected, and it was nice to be able to swap everything out at once rather than replacing pieces individually. After installing the new brush, mop, filters, and other components, my machine is running noticeably better. Super easy to do. The set includes a good assortment of replacement parts, making it a convenient way to refresh your vacuum and keep it working efficiently. A great value and an easy way to extend the life and performance of your robot vacuum.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
K
KC
Bozeman, US
★★★★★ 5
Complete Replacement Set
Size: Eufy E25 Omni / E28 Omni E28
This replacement parts kit is a convenient way to keep a compatible robot vacuum running efficiently without having to source each component separately. The included rolling brush and side brushes help maintain strong cleaning performance by picking up debris effectively, while the filters support proper airflow and dust capture. The dust bags are a useful addition for keeping the self emptying system working smoothly over time. The roller mop also fits well and helps maintain the mopping function without needing frequent replacements. Having a full set like this makes routine maintenance much easier and helps extend the overall lifespan of the vacuum.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
S
SB
Houston, US
★★★★★ 2
Mop won’t lock and black roller won’t fit
Size: Eufy E25 Omni / E28 Omni E28, Size: Eufy E25 Omni / E28 Omni E28
We’ve had our E28 for about a year now, so it was time to change out some of the more worn parts. This kit looked to have everything I wanted to swap out. It came with two sets of sweeper brushes, two center brushes, the roller mop brush, two dust bin filters and several disposable dust bags. I was able to get all of the parts to fit on our E28 except the black side main brush. It looks like the diameter of the hole isn’t correct for the model, but the grey side was (see photos and video comparing this set to factory set). The roller mop looked very similar except it had a slightly less high pile. The pieces all seemed good quality over all. Putting the new parts on was easy otherwise and they fit well. I sent out our E28 for a whole house cleaning and it did well both vacuuming and mopping, or at least on-par with the factory parts with the same noise level. The aim issue was that the roller mop wasn’t locking in place, and when it went to try to wash the mop and popped the whole vacuum out of its base cradle and threw an error a couple times throughout the cleaning. I just had to manually push the roller mop back in and it worked fine until the last wash and then I couldn’t get it to stop throwing the error. So, 2/5 stars for the one piece not fitting and the roller mop having issues during the mop washing process. Guess I’ll have to order from Eufy directly.
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Reviewed in the United States on February 8, 2026
T
Ted Larsen Jr
Los Angeles, US
★★★★★ 5
Direct replacment for omni E28!
Size: Eufy E25 Omni / E28 Omni E28, Size: Eufy E25 Omni / E28 Omni E28
This kit is an excellent value and contains direct replacement parts for the Eufy E28 Omni. Everything in the box from the rolling brush and the roller mop to the filters and dust bags matches the original components perfectly in size and fit. ​I found that the side brushes and the main roller installed easily without any forcing, and the vacuum performance remained consistent with no loss of suction or strange noises. The HEPA filters fit snugly in the housing, and the dust bags slide right into the docking station just like the brand-name ones. It is much more cost-effective to get this entire bundle than to buy these items individually. If you need to refresh your E28 Omni, this set is a reliable way to get it back to peak performance.
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Reviewed in the United States on January 22, 2026

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