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Which Orange Circle Is Larger? (Optical Illusion) T-Shirt

4.7 out of 5 stars rating
32793 Total Reviews |
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  3. Colour & Print Process: White

    Classic Printing: No Underbase
    Vivid Printing: White Underbase

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Style: Men's Basic T-Shirt

Comfortable, casual and loose fitting, our heavyweight t-shirt will easily become a closet staple. Made from 100% cotton, it's unisex and wears well on anyone and everyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability.

Size & Fit

  • Model is 185 cm and is wearing a medium
  • Standard fit
  • Garment is unisex sizing
  • Fits true to size

Fabric & Care

  • 100% cotton (Heathers are a cotton/poly blend)
  • Double-needle hemmed sleeves and bottom
  • Machine wash cold, tumble dry low
  • Imported

About This Design

Which Orange Circle Is Larger? (Optical Illusion) T-Shirt

Which Orange Circle Is Larger? (Optical Illusion) T-Shirt

Ask yourself and others this key question: Which orange circle is larger? Showcase the Ebbinghaus illusion with a dose of relative fun on any of these gifts. Caption explains the optical illusion: "Answer: The 2 orange circles are the same size, but the one on the left seems smaller due to being surrounded by larger objects. This phenomenon is known as the Ebbinghaus illusion." Also known as Titchener circles. Educational optical illusion gifts for all who enjoy visual humour. Make others do a double-take and look again and again today!
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Customer Reviews

4.7 out of 5 stars rating32.8K Total Reviews
25696 total 5-star reviews4982 total 4-star reviews1121 total 3-star reviews506 total 2-star reviews488 total 1-star reviews
32,793 Reviews
Reviews for similar products
5.0 out of 5 stars rating
5 out of 5 stars rating
By Anamaria G.March 15, 2023 • Verified Purchase
Basic T-Shirt, White, Large
Zazzle Reviewer Program
The t-shirt is SO cute and perfect! The shirt is nice and soft and the printing does not have any distortion. The shirt arrived within 2 weeks. 5 ⭐️. The colors are fine and similar to the virtual image.
5.0 out of 5 stars rating
5 out of 5 stars rating
By AnonymousOctober 26, 2025 • Verified Purchase
Basic T-Shirt, White, Large
I was extremely pleased. The graphic looks excellent, good quality material, and delivery speedy! I already made a second purchase. So nice not to have to chase after your order! Satisfied customer. .
5.0 out of 5 stars rating
5 out of 5 stars rating
By Eric N.November 23, 2018 • Verified Purchase
Basic T-Shirt, White, Large
Creator Review
The shirt is comfortable and fits well. Holds its size after washing. The "natural" fabric looks better in reality than it does on screen. Vibrant colours came out great! Image positioning was perfect. Couldn't be happier.

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T-Shirts
optical illusionillusionsbrain teaserpsychologycognitive effectsgeekebbinghaus illusionwhich orange circle is largerrelative size perceptionwords and unwords
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optical illusionillusionsbrain teaserpsychologycognitive effectsgeekebbinghaus illusionwhich orange circle is largerrelative size perceptionwords and unwords

Other Info

Product ID: 235502252620364638
Designed on 2009-10-18, 9:12 PM
Rating: G