This colorful, inflatable 24" (61cm) vinyl ball makes learning all about human anatomy fun! Basic play involves two or more players who toss the ball to each other and answer the question found under their left thumb.
Name the three main parts of the brain.
How many chambers are there in the human heart?
What hormone is produced by the adrenal glands?
A sheet with instructions and answers is included.
Directions for games and variations of play are included.