This small device is used by coin collectors to keep coins safe but also allows a magician to wrap the protected coin into a silk handkerchief and cause it to vanish.
1.5 inch Super Soft Sponge Balls (Yellow) Pack of 4 from Magic by Gosh
1.5 inch Super Soft Sponge Balls (Yellow) Bag of 50 from Magic By Gosh
1.5 inch Super Soft Sponge Balls (Red) Pack of 4 from Magic by Gosh
1.5 inch Super Soft Sponge Balls (Red) Bag of 50 from Magic by Gosh
