Firetoys 80mm Clear Acrylic Contact Juggling Ball with Contact Ball Bag Firetoys pure acrylic contact juggling balls are similar to Fushigi balls except they are injection molded resulting in a strong, very clear ball. We also won't pretend learning contact juggling moves is easy! It takes practice and hard work! You'd have to try very hard to break one of these balls; they will not shatter or crack when dropped in normal use but beware of hard surfaces as they can scratch the ball, dulling its beauty and illusion-creating properties. The 80mm ball is a good all-rounder (excuse the pun!) It's small enough for basic multiball work but big enough for single ball tricks. Ideal for beginners. However, if you have small hands the 80mm might be a bit awkward for multiball. On the flip side, this ball has a good visual impact for single ball manipulation. WARNING! Acrylic contact balls can cause fires by refracting sunlight. Never leave them unattended in direct sunlight or on anywhere where the sun may shine as it moves, such as a window sill. For this reason we supply all our acrylic contact juggling balls with a protective, fleece-lined bag. Not only does this drawstring bag remove the fire risk it also prevents the ball from getting scratched when you store or transport it. They also have handy belt loops. (String colour may vary).