Name: Duck vs Rabbit Optical Illusion Math Humor Acid Wash Cotton T-Shirt
Brand: Eleven Oasis
SKU: K-8781407781102-GL-GRA-1
Price: 26.99 USD
Availability: InStock
Rating: 4.82 (628 reviews)

PRODUCT DESCRIPTION

The classic psychology puzzle meets mathematical precision. Features the famous ambiguous figure plotted on coordinate axes, creating a clever design that appeals to both math enthusiasts and psychology fans. This minimalist geometric approach transforms the iconic optical illusion into a sophisticated statement piece for those who appreciate visual puzzles and scientific humor.

Material: 100% Cotton
Length: Standard
Fit Type: Relaxed Fit
Neckline: Crew Neck
Occasions: Math Conferences, Psychology Events, Science Museums, Academic Gatherings, STEM Events, Trivia Nights

WASH METHODS

SHIPPING & RETURNS

Shipping Time & Delivery Fees

• All orders require 5-7 business days processing time before shipping
• Free standard shipping on orders over $69 USD (6-15 business days after processing)
• Orders under $69 USD: $9.99 USD shipping fee
• No delivery to P.O. boxes

Title

Returns

• Free returns within 30 days of delivery
• Email support@elevenoasis.com to initiate your return
• Items must be unworn, unwashed, with original tags attached
• Orders cannot be cancelled once shipped

For complete details, see our Shipping Policy and Return Policy .

SECURE & PAYMENT

We accept major credit cards, PayPal, and other standard payment methods available at checkout.

Trackable Logistics

Need to check the delivery status of your order? We will send a Shipping Confirmation email to you as soon as your item ships. You can also check our Track My Order page. If you encounter any issues or have any questions regarding your purchase, please do not hesitate to contact us immediately by emailing support@elevenoasis.com.

Helpful & Friendly Customer Service

Need to talk to someone? We have a team of customer service professionals ready to answer your questions about sizing, order submission and deliveries. Contact us by emailing support@elevenoasis.com.

Privacy Protection 

Eleven Oasis will never share your personal information with unaffiliated third parties.

For more information on privacy, please click here: Privacy Policy

SIZE	SHOULDER	CHEST	LENGTH	SLEEVE
S	19.7	43.7	29.1	8.7
M	20.9	46.9	29.9	9.1
L	21.7	50.0	30.7	9.4
XL	22.8	53.1	31.5	9.8
2XL	23.6	56.3	32.3	10.2
3XL	24.8	59.4	33.1	10.6
4XL	25.6	62.6	33.9	11.0
5XL	26.8	65.7	34.6	11.4
6XL	27.6	68.9	35.4	11.8
7XL	28.3	72.0	36.2	12.2
8XL	29.1	75.2	37.0	12.6

SIZE	M	L	XL	2XL	3XL	4XL	5XL	6XL	7XL	8XL
US	40	42	46	48	50	52	54	56	58	60
EU	52	54	56	58	60	62	64	66	68	70
UK	40	42	46	48	50	52	54	56	58	60

SIZE	SHOULDER	CHEST	LENGTH	SLEEVE
S	19.7	43.7	29.1	8.7
M	20.9	46.9	29.9	9.1
L	21.7	50.0	30.7	9.4
XL	22.8	53.1	31.5	9.8
2XL	23.6	56.3	32.3	10.2
3XL	24.8	59.4	33.1	10.6
4XL	25.6	62.6	33.9	11.0
5XL	26.8	65.7	34.6	11.4
6XL	27.6	68.9	35.4	11.8
7XL	28.3	72.0	36.2	12.2
8XL	29.1	75.2	37.0	12.6

SIZE	M	L	XL	2XL	3XL	4XL	5XL	6XL	7XL	8XL
US	40	42	46	48	50	52	54	56	58	60
EU	52	54	56	58	60	62	64	66	68	70
UK	40	42	46	48	50	52	54	56	58	60

Duck vs Rabbit Optical Illusion Math Humor Acid Wash Cotton T-Shirt

Duck vs Rabbit Optical Illusion Math Humor Acid Wash Cotton T-Shirt

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SIZE	M	L	XL	2XL	3XL	4XL	5XL	6XL	7XL	8XL
US	40	42	46	48	50	52	54	56	58	60
EU	52	54	56	58	60	62	64	66	68	70
UK	40	42	46	48	50	52	54	56	58	60

SIZE	M	L	XL	2XL	3XL	4XL	5XL	6XL	7XL	8XL
US	40	42	46	48	50	52	54	56	58	60
EU	52	54	56	58	60	62	64	66	68	70
UK	40	42	46	48	50	52	54	56	58	60

SIZE	M	L	XL	2XL	3XL	4XL	5XL	6XL	7XL	8XL
US	40	42	46	48	50	52	54	56	58	60
EU	52	54	56	58	60	62	64	66	68	70
UK	40	42	46	48	50	52	54	56	58	60