Fruit Sponge Ball (Orange) by Hugo Choi - Trick
A sponge ball that looks just like an orange. Audiences love these, especially with all the stories you come up with! Tell them the grocery store offered a 2-for-1 special, and turn 1 ball into 2! Or the reverse - you know you bought 2, but when you got home, there was only 1! The grocer felt so bad