Best in 7 days
Pay in installments of $5.53 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
what if?: Serious Scientific Answers to Absurd Hypothetical QuestionsWritten and Illustrated by Randall Munroe paperback 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? When will Facebook contain more profiles of dead people than living? How many humans would a T Rex rampaging through New York need to eat a day? In pursuit of answers,
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
Discover Niche Categories That Outsell
Top-Converting Item to Boost Your Average Order
Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.0 ★★★★★
Based on 2303 reviews
Sort
Product Reviews
★★★★★ 5
Honda spark plugs
Style: Set of 6
I have had them in my car for quite a while and the car runs good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
★★★★★ 4
Good so far
Style: Set of 4
I just installed them a few days ago. So far they are working fine. I have a 2007 Honda Accord 2.4 and it seems the car is a little smoother when idling . I have driven it for about 100 miles and no issues so far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 5
Really good value
Style: Set of 4
Great quality , don't be afraid of these
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
★★★★★ 5
08 CRV
Style: Set of 4
Great plugs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Great for oil change for a Street Glide
Just what I needed to do the job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
recommand products
PowerStep SmartSeries Running Boards 21-24 Ford Bronco AMP Research
975.00
Bedstep Retractable Bumper Step For 2020-2026 Silverado 2500/3500 Sierra 2500/3500 AMP Research
165.00
PowerStep Xtreme Running Boards Plug N Play System For 2021-2024 Ford Bronco AMP Research
1099.99
BedStep Retractable Bumper Step For 22-26 Toyota Tundra AMP Research
165.00
Power Steps For 21-26 Ford F-150 Excludes Powerboost AMP Research
900.00