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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
At your home, on the commuter train, or in your doctor's officewhenever you have a minute or two, challenge your brain with these ingenious brainteasers!Nathan Haselbauer's amazingly clever book of 201 pencilfree brain teasers isn't your typical puzzle book. 60Second Brain Teasers PencilFree Puzzles is the perfect distraction for puzzle lovers with only a few minutes to spare.Pit your wits against puzzles like: A car dealer spend $20,000 for some used cars. He sold them for $27,500, making an average of $1,500 on each car. How many cars did he sell? A singleelimination billiards tournament is held for 100 players. How many matches must be held before a winner is crowned? If each of Peter's sons has twice as many sisters as brothers and each of his daughters has just as many sisters as brothers, how many sons and daughters does Peter have? If Beth is as old as Bill will be when Trish is as old as Beth is now, who is the oldest? Hours of mindbending entertainment await you in 60Second Brain Teasers PencilFree Puzzles. From math and logic puzzles to word games, it should take you around one minute to solve each puzzle. You don't need an advanced math degree to solve these ingenious brain teasersjust an inquisitive mind. Try these puzzles today!
⚠️ 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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⚠️ 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.