Bounce / No Bounce Balls - So Many Routines Are Possible with the Balls. Magical
small, black rubber balls look and feel identical - except one bounces, the
other doesn't. So many routines are possible with the balls. Funny and
your friend an inflexible ball when he throw the ball on the ground， he
finds that the ball doesn't get up and you can joke that his IQ is low.
also say it's Sexual ability test and so on
used for April Fools' Day,parties, carnivals, Halloween, costume party and
choice to play joke with your friends.Suitable for over 18 years old