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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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4.1 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 1
Useless
Color: White, Size: D20Plus
Well so far unable to actually use it to see how it works. I have to split my wifi every time I want to use it. It won't charge even when it's on the dock. When I push "charge" on the app it comes off the dock instead of recognizing that it's already on it and proceeds to roam around the house looking for the docking station that it just left. If it can't even find the docking station while sitting on it how can it properly clean the house? I just bought this after returning a defective AirZeen model. Looks like Shark may be the only way to go. Starting yet another return. These are useless
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great Cleaning Power and Super Convenient
Color: White, Size: D20Plus, Color: White, Size: D20Plus
The DREAME D20 Plus Robot Vacuum and Mop works really well in my apartment. The suction is very strong and easily picks up dust and pet hair from both carpets and hard floors. I also like the self-emptying feature with the large dust bag, which saves me a lot of time. The mapping is accurate, and the battery lasts long enough to clean the whole place. Overall, it’s a great robot vacuum for the price.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
I am very satisfied with the overall experience!
Color: Black, Size: D20Plus, Color: Black, Size: D20Plus
The suction power is really strong. Daily dust, hair and debris can be easily cleaned up, and the ground is obviously much cleaner. Although there are no pets at home, it is enough for daily cleaning.
What I like most is its self-dust collection function. The 5L large dust bag has a large capacity and can be used for a long time without dumping garbage. It is really worry-free. It is very friendly to people who do not want to take care of the machine frequently.
The drawing is very fast and accurate, and the cleaning route is orderly and will not collide randomly. The APP is easy to operate, and the appointment and remote control are very convenient.
Generally speaking, it is very cost-effective, time-saving and effort-saving, and worth buying.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Good Robot Vacuum
Color: Black, Size: D20Plus, Color: Black, Size: D20Plus
This robot vacuum is really easy to use and very smart. After one cleaning cycle, it can remember the size and layout of the rooms, and it also allows you to choose different rooms for cleaning. It cleans very thoroughly, and when it finishes, it automatically returns to the dock to empty the dust and recharge. It has truly saved me a lot of time and has become a very helpful assistant at home. It also runs fairly quietly, so it does not disturb daily life too much. For people who are busy and do not have much time for housework, it is definitely worth buying.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Incredible robot.
Size: 11S MAX, Size: 11S MAX
I have had this vacuum for nearly a year now, running it on an automatic schedule every single day, and I am so grateful for this product and how it has improved my quality of life.
This vacuum and its automatic schedule has meant that I rarely see any dust or dog hair on my floor and I no longer have to take the time to vacuum. The amount of dust this machine collects is unbelievable- the photo I included of the yield is from HALF of a cycle.
Flooring/obstacles
I use my eufy on hard floor and short carpet and it works wonderfully. It does snag on high pile rugs so I try to put my bathroom mat up when I remember.
Eufy does get stuck on things so it took some time to determine what picking up I need to do before it’s “shift.” This has not been a nuisance, it’s more of a good motivation to do a quick cleanup.
Durability
Also, long hair is a challenge and I do have to cut it out of the brush head about once a week. I also recently replaced the brush head which was a great reset. The side spin brush also broke down over a few months and replacing that REALLY improved the power of the machine. I’ll be replacing it as soon as I notice breakage now.
Noise
I think it has gotten a bit louder over the year I have owned it. I used to be able to sleep through the noise, now it’s a bit too loud for me especially as it gently bangs against the walls (doesn’t scuff though).
Overall, this is a gift and I will never not have one for the rest of my life
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Reviewed in the United States on May 19, 2026