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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
Keep Your Mind Fit and FlexibleResearch has shown that a great way to keep your memory and cognitive skills at their best is to learn challenging new things that require you to think. This puzzle book is perfect for doing just that, since it features a wide variety of IQtype brainteasers to keep solvers on their toes: different types of word games, memory tests, logic puzzles, and math problems, with something new on every page. Its a refreshingly fun mental workout!
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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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.
