Best in 7 days
Pay in installments of $30.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Thing Explainer: Complicated Stuff in Simple WordsDESCRIPTION : From the No. 1 bestselling author of What If? the man who created xkcd and explained the laws of science with cartoons comes a series of brilliantly simple diagrams ('blueprints' if you want to be complicated about it) that show how important things work: from the nuclear bomb to the biro. It's good to know what the parts of a thing are called, but it's much more interesting to know what they do. Richard Feynman once said that if you
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
4.9 ★★★★★
Based on 1191 reviews
Sort
Product Reviews
★★★★★ 5
Works as advertised
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
★★★★★ 4
Good Fiber Source
Works well without being too harsh. Helps with medications that may cause you to be blocked.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 23, 2025
★★★★★ 5
Fiber 101
I love the idea of getting your daily fiber just by taking a pill form. It's so convenient.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Convenient for travel
Good for travel when you may not have a glass, a spoon and a place to mix the powdered version with water. Make no mistake, you must still drink at least 8- 12 ounces of water with the capsules, and one serving is 5 capsules. But, this is a bulking agent,!so that is to be expected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 27, 2025
★★★★★ 5
Seems OK, but only time will tell
Seems OK, but only time will tell
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
