Randall Munroe Collection 2 Books Set (What If?: Serious Scientific,What If?2)

Randall Munroe Collection 2 Books Set (What If?: Serious Scientific,What If?2)

Marsoni

M251S

$21.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Randall Munroe Collection 2 Books Set (What If?: Serious Scientific,What If?2)Description What If?: Serious Scientific Answer to Absurd Hypothetical Questions.. From the creator of the wildly popular xkcd. com, hilarious and informative answers to important questions you probably never thought to ask. Millions visit xkcd. com each week to read Randall Munroe's iconic webcomic. Fans ask him a lot of strange questions: How fast can you hit a speed bump, driving, and live? When (if ever) did the sun go down on the British Empire?

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i think the concept is great but the execution of the product is lacking. This is not made of rubber, there is no dog I can imagine chewing this thing. It is basically a STONE and rock hard and has absolutely zero give. She tried to chew it for one second and immediately stopped - the only thing the dog can do is lick so that aspect was disappointing. However, the toy works, keeps her attention and she loves the treat so all in all - not bad.

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Reviewed in the United States on October 14, 2025

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Melissa Parks

Houston, US

★★★★★ 4

My dogs are heavy chewers

These are very hard and indestructible. The only thing, im afraid my pups will break their teeth. They are houses on a hard wood floor.

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Reviewed in the United States on November 30, 2025

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Amy

Grantham, US

★★★★★ 5

My couch is safe!

Perfect for my lab mix, and my pointer mix was jealous so I immediately bought a second after they both wanted it. Keeps them both busy for well over 30 minutes.

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Reviewed in the United States on March 8, 2026

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Heidi

Battle Creek, US

★★★★★ 5

Great treat holder!

Our new favorite!! We’d been long time long users but this will forever replace them. Sturdy, easy to clean, convenient cups, multiple fun treat compartments. They are also bright enough to find in the yard if one “runs” out the house. And they are easy for the kids to hold. Must have for a Pitt bull family

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Reviewed in the United States on December 16, 2025

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Kristi Rhoda

Boise, US

★★★★★ 5

She loves it

Color: Octopus

My dog loves this. I mixed plain yogurt and blueberries and froze the two cups. She went to town and it kept her busy for about 15 min. It’s easy to open compared to some of the other toys like this. Easy to clean too.

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Reviewed in the United States on June 4, 2026