Water ball Water ball A water ball or water walking ball is a large inflatable sphere that allows a person inside it to walk across the surface of a body of water. The giant ball is usually two metres in diameter and has a zippered entrance to allow for easy entry and exit. The water ball is similar to the zorb, also referred as Human Hamster Ball, but it has only one layer and is designed for water travel rather than down-hill rolling. In the United Kingdom, the balls have been used at swimming pools, marinas and lakes in an effort to
Ball-in-a-maze puzzle maze. Perplexus is an example of a 3D ball-in-a-maze. Recently a large number of virtual versions have become available. Another version, usually molded in transparent plastic, uses the ball as a key to opening an internal compartment by manipulating the ball into position, and then operating a sliding mechanism that releases an access door. They are sometimes called "Money Maze" banks or puzzle boxes. Ball-in-a-maze puzzle Ball-in-a-maze puzzles are dexterity puzzles which involve manipulating either a maze (or labyrinth) or one or several balls so that the ball or balls are manoeuvered towards a goal. Toys like this have been