If you always wanted to perform the appearing bowling ball, but you only perform close-up or didn't want to carry around a heavy, huge prop, The Mini Production Case is for you! Open it to reveal an object that would be impossible to fit inside such as: Classic Bowling Ball from Briefcase effect with a small ball--Jumbo Die from Briefcase (Die-Abolical)--Produce Very Large Sponge Balls--Impossible number of Coins from Case--Perfect Size for Business Cards--Pocket Size. Many More effects can be done with this product which is only limited by your imagination.