What's so sneaky about these puzzles? More than 200 puzzles show you.
· Try to follow four kangaroos hopping through a maze, then try to pick the only one that gets through.
· Look at two pictures of sunbathers at the beach that seem to be just alike, but figure out the 15 ways they are different.
· Study some faces, right-side up and upside down, and try to match them up.
· Help people of various heights, standing in front of pools of various sizes, by finding the one that is right for each.
· Watch a family of koala bears hiding in eucalyptus trees--and try to find all of them.
· These pictures of cats have been cut into pieces. Meet the challenge of putting them back together again.