Exercise ball balls have been jumped across at 8.31 seconds.The record for the farthest jump between two Swiss balls was also made by Neil at a distance of 2.3 meters in 2012 A primary benefit of exercising with an exercise ball as opposed to exercising directly on a hard flat surface is that the body responds to the instability of the ball to remain balanced, engaging many more muscles. Those muscles become stronger over time to keep balance. Most frequently, the core body muscles — the abdominal muscles and back muscles — are the focus of exercise ball fitness programs. A major
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