Follow the hour hand and minute hand of a clock for 24 hours. How many times do they form a right angle? Timothy's house has several rooms, each of which has an even number of doors, including doors that lead outside. Is the number of outside doors even or odd? Stimulating and delightful, this collection of puzzles features original and classic brainteasers. The author, a puzzle columnist for Le Monde, specially selected these mind-benders for the...

If you want to impress your family and friends by solving the Rubik's Cube while staying calm and collected, then keep reading...

The Rubik's Cube seems like an innocent, colorful and perfect gift for kids, something that will keep them busy for hours on end...

Until you're faced with helping them solve it a few minutes later. That's when you realize the fiendish difficulty involved and feel a rising sense of panic as your plan backfires.

Parents,

...

"From the creators of Campy Creatures, Caper, Space Park, and Control comes PARKS! PARKS is a celebration of our National Parks created in partnership with the Fifty-Nine Parks Print Series. In PARKS, players will take on the role of two hikers as they trek different trails across four seasons. While on the trail, these hikers will take actions and collect memories of the places your hikers visit. These memories are represented by various resource...

"Achieving and maintaining a higher level of mental fitness can be surprisingly fun -- and to your brain, it's healthy exercise. In this follow-up volume to her bestselling 399 Games, Puzzles, Trivia Challenges Specially Designed to Keep Your Brain Young, Nancy Linde offers a brand-new collection of puzzles, trivia challenges, brainteasers, and word games that are not only great fun to do but specifically designed to give your brain the kind of workout...

Forms a 2 x 3 foot map of United States.

"Bamboozling clues need a curious mind to piece together thirteen different animals. The animals in question are easily recognizable: ostrich, polar bear, snail, puffer fish, albatross, sloth, lobster, bullfrog, kangaroo and giraffe. But the clues are not what you'd expect (e.g. "3 billiard balls," "egg cozies," "an extra leg," "chainsaw," "dinosaur feet," "a speedometer," "poison to kill 30 humans"). The clues are wryly illustrated in scenarios unrelated...

"Help the STEM Detectives find one of their team members. Robot iGumbo has gone missing. Bring your skills in mapping, finding bugs in instructions, and turning back time. Grab your notepad and start investigating!"--

"When most people think of the word "spy", they imagine gadgets--laser pens and exploding cigarette lighters--but the most important piece of equipment an agent has is their brain. In this book, we will teach you how to enhance your memory and sharpen your mind with a range of exercises developed over many years and used to train top Russian intelligence agents. Learn the secrets to vastly improved memory and see if you have what it takes to be a...