QUICK: Name the most powerful and complex supercomputer ever built. Give up? Here's a hint: It's housed in your head and it's the one thing that makes you YOU. Your brain is mission control for the rest of your body and steers you through life. Not bad for something the size of a softball that looks like a wrinkled grey sponge In this fascinating, interactive book -- a companion to the National Geographic Channel hit show - kids explore the parts of the brain and how it all works, brainy news nuggets from a neuroscientist, plus fun facts and crazy challenges.

An activity book that acts as a companion to the TV series Brain games.

Presents a collection of vivid optical illusions, encompassing a wide range of visual tricks and deceptive eye puzzles, from images that appear to move to perplexing distortions and hidden objects.

Get ready to train your brain with superfun activities, mystifying mazes, and cryptic codes. You will uncover hidden messages, hack your mind and learn how to harness your creative brain with imagination-boosting challenges. -- From back cover.

Grab a pencil and get ready to become a problem-solving superstar with activities, puzzles, and games that will give your brain a serious boost. Master mystifying mazes, crack coded messages, and uncover the secrets behind optical illusions, all while learning about your own amazing mind.

Challenge your brain with tons of do-it-yourself, interactive fun! These crosswords, sudokus, word searches, and other boredom busters will keep you entertained for hours. Blast off to the most fascinating places in our solar system! You'll get to know the planets, moons, and rockets of outer space--and test your puzzle chops while you're at it. This activity book is brimming with out-of-this-world facts, awesome photos, and endless entertainment. (Where else can you learn about space exploration AND master a crossword puzzle--all in the same book?) Plus, all this fun is packed into a handy, portable size, perfect for tossing into a backpack or taking on the road.

A fact-packed fun book of animal themed puzzles. Test your knowledge and get thinking with this fact-packed National Geographic Kids fun book of animal themed puzzles. Inside are brain-tickling quizzes as well as number games, crosswords and word searches, with fascinating facts along the way.

Offers a series of diverse types of picture puzzles intended to strengthen visual skills, cognitive skills, and memory.

Jet off into the sky or dive deep into the sea. With planes, trains, automobiles, and even a robotic submarine or two, this book is jam-packed with info about all the ways people travel and explore. Zip through pages full of fun facts and vibrant photos from all around the world, and test your puzzle chops while you're at it! Inside you'll find mazes, word searches, crosswords, sudokus, quizzes, word scrambles, spot the difference puzzles, and more! Each NGK Puzzle book has a high-interest theme with all-new fun facts, photos, and puzzles.