If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
1000 PLAYTHINKS is the most compulsive, headscratching, andat 5.08 poundsgargantuan puzzle book ever. An obsessive collection of 1,000 challenges, puzzles, riddles, illusionsboth original as well as mustdo classics. Jampacked on the page and illustrated throughout in fullcolor, with a visual for each entry, the book, opened anywhere, is like a call to action. And once started it's hard to stop, because at the end of every successfully completed game the puzzlesolver feels smart, successful, and at one with the beauty of mathematics.Created by Ivan Moscovich, PLAYTHINKS is the first and only book where science, math, and art puzzles all come together. Broken down by chapter, PLAYTHINKS challenges with 12 basic categories, including games of Geometry; Patterns; Numbers; Logic and Probability; and Perception. A special Bonus Round is included for diehard puzzlers who, after all that, still haven't had enough. An easytoread key at the!top of each game ranks its difficulty on a scale of 1 to 10. The lieflat spiral binding makes the hefty book completely readerfriendly. So do the answers in the back.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
For MAP (Minimum Advertised Price) violations and Intellectual Property (IP) or Trademark concerns, please contact:
support@ergodebooks.com
⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
